Storyline
Proteus has taken Moira hostage while the X-Men wage their final assault-this time, with designs on taking the evil mutant down for good. Will the combined might of the X-Men be enough to defeat Proteus and save Moira?
X-Men #128
X-Men #128 worth by CGC grade ranges from
$11 to
$331 across tracked CGC grades.
Compare values, recent sales, and long-term performance across every grade below.
X-Men #128
Value & Price Guide by CGC Grade
Free • Takes 10 seconds • No credit card required
Grade
Fair Value
X-Men
#128
CGC Grade 9.8
CGC Grade 9.8
Fair Value
$331
Estimated worth based on historical sales
Annual Growth
Inflation adjusted
-5.7%
Price Trend
Historical consistency
Weak
Recent Market Averages
1 Year Avg
5 sold
$327
90 Day Avg
1 sold
$340
30 Day Avg
0 sold
—
Market Context
Last Sale
Jun 2026
$340
Years Tracked
Historical coverage
19
Days to Sale
Avg between sales
50
🔒
Unlock full sales history
See verified sales, price movement, and historical market activity for X-Men #128 CGC 9.8.
Sign Up FreeFree • Takes 10 seconds • No credit
card
required
🔒
Unlock comics for sale
See active listings for X-Men #128 CGC 9.8 and compare asking prices against Underval’s fair value estimate.
Sign Up Free
Find listings faster with a free account.
X-Men
#128
CGC Grade 9.6
CGC Grade 9.6
Fair Value
$94
Estimated worth based on historical sales
Annual Growth
Inflation adjusted
-1.5%
Price Trend
Historical consistency
Moderate
Recent Market Averages
1 Year Avg
3 sold
$94
90 Day Avg
0 sold
—
30 Day Avg
0 sold
—
Market Context
Last Sale
Feb 2026
$93
Years Tracked
Historical coverage
23
Days to Sale
Avg between sales
38
🔒
Unlock full sales history
See verified sales, price movement, and historical market activity for X-Men #128 CGC 9.6.
Sign Up FreeFree • Takes 10 seconds • No credit
card
required
🔒
Unlock comics for sale
See active listings for X-Men #128 CGC 9.6 and compare asking prices against Underval’s fair value estimate.
Sign Up Free
Find listings faster with a free account.
X-Men
#128
CGC Grade 9.4
CGC Grade 9.4
Fair Value
$84
Estimated worth based on historical sales
Annual Growth
Inflation adjusted
-3.0%
Price Trend
Historical consistency
Weak
Recent Market Averages
1 Year Avg
6 sold
$84
90 Day Avg
0 sold
—
30 Day Avg
0 sold
—
Market Context
Last Sale
Mar 2026
$72
Years Tracked
Historical coverage
24
Days to Sale
Avg between sales
60
🔒
Unlock full sales history
See verified sales, price movement, and historical market activity for X-Men #128 CGC 9.4.
Sign Up FreeFree • Takes 10 seconds • No credit
card
required
🔒
Unlock comics for sale
See active listings for X-Men #128 CGC 9.4 and compare asking prices against Underval’s fair value estimate.
Sign Up Free
Find listings faster with a free account.
X-Men
#128
CGC Grade 9.2
CGC Grade 9.2
Fair Value
$70
Estimated worth based on historical sales
Annual Growth
Inflation adjusted
-0.5%
Price Trend
Historical consistency
Weak
Recent Market Averages
1 Year Avg
0 sold
—
90 Day Avg
0 sold
—
30 Day Avg
0 sold
—
Market Context
Last Sale
Jun 2025
$70
Years Tracked
Historical coverage
23
Days to Sale
Avg between sales
133
🔒
Unlock full sales history
See verified sales, price movement, and historical market activity for X-Men #128 CGC 9.2.
Sign Up FreeFree • Takes 10 seconds • No credit
card
required
🔒
Unlock comics for sale
See active listings for X-Men #128 CGC 9.2 and compare asking prices against Underval’s fair value estimate.
Sign Up Free
Find listings faster with a free account.
X-Men
#128
CGC Grade 9.0
CGC Grade 9.0
Fair Value
$31
Estimated worth based on historical sales
Annual Growth
Inflation adjusted
-4.9%
Price Trend
Historical consistency
Weak
Recent Market Averages
1 Year Avg
1 sold
$31
90 Day Avg
0 sold
—
30 Day Avg
0 sold
—
Market Context
Last Sale
May 2026
$31
Years Tracked
Historical coverage
15
Days to Sale
Avg between sales
125
🔒
Unlock full sales history
See verified sales, price movement, and historical market activity for X-Men #128 CGC 9.0.
Sign Up FreeFree • Takes 10 seconds • No credit
card
required
🔒
Unlock comics for sale
See active listings for X-Men #128 CGC 9.0 and compare asking prices against Underval’s fair value estimate.
Sign Up Free
Find listings faster with a free account.
🔒
Unlock Full Details
Track value changes, compare CGC grades, and spot comics below fair
value for X-Men #128 CGC 8.5.
Sign Up
Free
Already a member? Sign
in.
🔒
Unlock Full Details
Track value changes, compare CGC grades, and spot comics below fair
value for X-Men #128 CGC 8.0.
Sign Up
Free
Already a member? Sign
in.
🔒
Unlock Full Details
Track value changes, compare CGC grades, and spot comics below fair
value for X-Men #128 CGC 7.5.
Sign Up
Free
Already a member? Sign
in.
X-Men
#128
CGC Grade 7.0
CGC Grade 7.0
Fair Value
$36
Estimated worth based on historical sales
Annual Growth
Inflation adjusted
3.7%
Price Trend
Historical consistency
Moderate
Recent Market Averages
1 Year Avg
0 sold
—
90 Day Avg
0 sold
—
30 Day Avg
0 sold
—
Market Context
Last Sale
Jul 2024
$36
Years Tracked
Historical coverage
11
Days to Sale
Avg between sales
550
🔒
Unlock full sales history
See verified sales, price movement, and historical market activity for X-Men #128 CGC 7.0.
Sign Up FreeFree • Takes 10 seconds • No credit
card
required
🔒
Unlock comics for sale
See active listings for X-Men #128 CGC 7.0 and compare asking prices against Underval’s fair value estimate.
Sign Up Free
Find listings faster with a free account.
X-Men
#128
CGC Grade 6.5
CGC Grade 6.5
Fair Value
$41
Estimated worth based on historical sales
Annual Growth
Inflation adjusted
0.2%
Price Trend
Historical consistency
Weak
Recent Market Averages
1 Year Avg
0 sold
—
90 Day Avg
0 sold
—
30 Day Avg
0 sold
—
Market Context
Last Sale
Dec 2023
$41
Years Tracked
Historical coverage
10
Days to Sale
Avg between sales
970
🔒
Unlock full sales history
See verified sales, price movement, and historical market activity for X-Men #128 CGC 6.5.
Sign Up FreeFree • Takes 10 seconds • No credit
card
required
🔒
Unlock comics for sale
See active listings for X-Men #128 CGC 6.5 and compare asking prices against Underval’s fair value estimate.
Sign Up Free
Find listings faster with a free account.
🔒
Unlock Full Details
Track value changes, compare CGC grades, and spot comics below fair
value for X-Men #128 CGC 6.0.
Sign Up
Free
Already a member? Sign
in.
🔒
Unlock Full Details
Track value changes, compare CGC grades, and spot comics below fair
value for X-Men #128 CGC 5.5.
Sign Up
Free
Already a member? Sign
in.
X-Men
#128
CGC Grade 5.0
CGC Grade 5.0
Fair Value
$22
Estimated worth based on historical sales
Annual Growth
Inflation adjusted
1.9%
Price Trend
Historical consistency
Strong
Recent Market Averages
1 Year Avg
0 sold
—
90 Day Avg
0 sold
—
30 Day Avg
0 sold
—
Market Context
Last Sale
Oct 2021
$22
Years Tracked
Historical coverage
2
Days to Sale
Avg between sales
920
🔒
Unlock full sales history
See verified sales, price movement, and historical market activity for X-Men #128 CGC 5.0.
Sign Up FreeFree • Takes 10 seconds • No credit
card
required
🔒
Unlock comics for sale
See active listings for X-Men #128 CGC 5.0 and compare asking prices against Underval’s fair value estimate.
Sign Up Free
Find listings faster with a free account.
🔒
Unlock Full Details
Track value changes, compare CGC grades, and spot comics below fair
value for X-Men #128 CGC 4.5.
Sign Up
Free
Already a member? Sign
in.
🔒
Unlock Full Details
Track value changes, compare CGC grades, and spot comics below fair
value for X-Men #128 CGC 4.0.
Sign Up
Free
Already a member? Sign
in.
🔒
Unlock Full Details
Track value changes, compare CGC grades, and spot comics below fair
value for X-Men #128 CGC 3.5.
Sign Up
Free
Already a member? Sign
in.
X-Men
#128
CGC Grade 3.0
CGC Grade 3.0
Fair Value
$11
Estimated worth based on historical sales
Annual Growth
Inflation adjusted
0.0%
Price Trend
Historical consistency
None/Very Weak
Recent Market Averages
1 Year Avg
0 sold
—
90 Day Avg
0 sold
—
30 Day Avg
0 sold
—
Market Context
Last Sale
Oct 2016
$11
Years Tracked
Historical coverage
1
Days to Sale
Avg between sales
—
🔒
Unlock full sales history
See verified sales, price movement, and historical market activity for X-Men #128 CGC 3.0.
Sign Up FreeFree • Takes 10 seconds • No credit
card
required
🔒
Unlock comics for sale
See active listings for X-Men #128 CGC 3.0 and compare asking prices against Underval’s fair value estimate.
Sign Up Free
Find listings faster with a free account.
🔒
Unlock Full Details
Track value changes, compare CGC grades, and spot comics below fair
value for X-Men #128 CGC 2.5.
Sign Up
Free
Already a member? Sign
in.
🔒
Unlock Full Details
Track value changes, compare CGC grades, and spot comics below fair
value for X-Men #128 CGC 2.0.
Sign Up
Free
Already a member? Sign
in.
🔒
Unlock Full Details
Track value changes, compare CGC grades, and spot comics below fair
value for X-Men #128 CGC 1.8.
Sign Up
Free
Already a member? Sign
in.
🔒
Unlock Full Details
Track value changes, compare CGC grades, and spot comics below fair
value for X-Men #128 CGC 1.5.
Sign Up
Free
Already a member? Sign
in.
X-Men
#128
CGC Grade 1.0
CGC Grade 1.0
No sales have been tracked for this grade.
Fair Value
—
Estimated worth based on historical sales
Annual Growth
Inflation adjusted
—
Price Trend
Historical consistency
—
Recent Market Averages
1 Year Avg
sold
—
90 Day Avg
sold
—
30 Day Avg
sold
—
Market Context
Last Sale
Date unavailable
—
Years Tracked
Historical coverage
—
Days to Sale
Avg between sales
—
🔒
Unlock full sales history
See verified sales, price movement, and historical market activity for X-Men #128 CGC 1.0.
Sign Up FreeFree • Takes 10 seconds • No credit
card
required
🔒
Unlock comics for sale
See active listings for X-Men #128 CGC 1.0 and compare asking prices against Underval’s fair value estimate.
Sign Up Free
Find listings faster with a free account.
X-Men
#128
CGC Grade 0.5
CGC Grade 0.5
No sales have been tracked for this grade.
Fair Value
—
Estimated worth based on historical sales
Annual Growth
Inflation adjusted
—
Price Trend
Historical consistency
—
Recent Market Averages
1 Year Avg
sold
—
90 Day Avg
sold
—
30 Day Avg
sold
—
Market Context
Last Sale
Date unavailable
—
Years Tracked
Historical coverage
—
Days to Sale
Avg between sales
—
🔒
Unlock full sales history
See verified sales, price movement, and historical market activity for X-Men #128 CGC 0.5.
Sign Up FreeFree • Takes 10 seconds • No credit
card
required
🔒
Unlock comics for sale
See active listings for X-Men #128 CGC 0.5 and compare asking prices against Underval’s fair value estimate.
Sign Up Free
Find listings faster with a free account.
Want to compare every CGC grade?
Create a free Underval account to compare grades, track value changes, and find comics listed below fair value.
Compare Every CGC Grade for FreeQuick Insights on X-Men #128 in 2026
When was the last recorded sale for X-Men #128?
The last recorded sale was a CGC 9.8 for $340 on 06/16/2026 at eBay.
What was the highest sale recorded for X-Men #128?
The highest recorded sale was a CGC 9.8 for $600 on 04/25/2022 at eBay.
What was the lowest sale recorded for X-Men #128?
The lowest recorded sale was a CGC 8.5 for $9 on 05/02/2016 at eBay.
Which grade has the best annual growth for X-Men #128?
A CGC 7.5 shows the highest inflation-adjusted growth at 4.2% over 2013–2023 (10 years).
How often does X-Men #128 sell?
Average days to sell vary by grade (~every 38–1057 days by grade), ranging from CGC 9.6 every 38 days to CGC 6.0 every 1057 days.
Use Underval to Research X-Men #128
Compare CGC grades, understand the market data, and find listings priced below fair value.
1. Research X-Men #128
Search X-Men #128 and other comics to explore grade-level values, recent sales, and market activity.
2. Compare CGC Grades
Compare fair value, recent sales, growth, liquidity, and long-term performance across the tracked grades for X-Men #128.
3. Find Buying Opportunities
Find listings for X-Men #128 and other comics, then quickly compare asking prices against Underval’s estimated fair values.
Track Values & Compare Grades Free
Join hundreds of collectors already using Underval!
1 searches
Last searched: 2026-08-01