UNDERVAL

Iron Man #128

Iron Man #128 worth by CGC grade ranges from $50 to $1,050.
Iron Man #128 cover

Storyline

One of the most memorable and powerful Iron Man stories deserves a cover worthy of its stature. Thankfully, Bob Layton delivers, providing a cover that stands tall to this day.

Iron Man #128
Value & Price Guide by CGC Grade

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Grade Fair Value
Previous issue Iron Man #127
Current Iron Man #128
Next issue Iron Man #129
Compare nearby issues to spot how value and grade behavior change from issue to issue. Browse all Iron Man issues.

Quick Insights on Iron Man #128 in 2026

When was the last recorded sale for Iron Man #128?

The last recorded sale was a CGC 9.6 for $188 on 05/07/2026 at eBay.

What was the highest sale recorded for Iron Man #128?

The highest recorded sale was a CGC 9.8 for $1,500 on 04/10/2026 at eBay.

What was the lowest sale recorded for Iron Man #128?

The lowest recorded sale was a CGC 6.0 for $24 on 12/17/2017 at eBay.

Which grade has the best annual growth for Iron Man #128?

A CGC 6.0 shows the highest inflation-adjusted growth at 8.6% over 2017–2025 (8 years).

How often does Iron Man #128 sell?

Average days to sell vary by grade (~every 10–344 days by grade), ranging from CGC 3.5 every 10 days to CGC 5.5 every 344 days.

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Frequently Asked Questions

What is Underval?

Underval is a free comic-book analytics and listings platform. We estimate fair value by grade, display annual growth rate, show recent sales and sales history, and surface active listings.

Where do your sales come from?

We aggregate public online sales from major marketplaces and auctions such as eBay and Heritage Auctions, then normalize and de-duplicate them by issue and grade.

How do you calculate “Estimated Worth (Fair Value)?”

Fair value blends recent realized sales with longer-term trends, outlier filtering, and grade-level liquidity. It’s an informational estimate, not an offer.

How often are values updated?

Values update as new sales appear. Each grade’s “Updated on” date reflects the most recent sale we’ve matched for that grade.

Which grades do you cover?

We track Universal CGC-graded copies across common scale points (e.g., 0.5–10). Availability varies by issue and observed market activity.

Do you offer investment advice?

No. Underval provides data and estimates for research purposes only. Always do your own diligence before buying or selling.

18 searches Last searched: 2026-05-01
Price guide FAQ

Fair Value by CGC Grade — Iron Man #128

What is Iron Man #128 CGC 9.8 worth in 2026?

Estimated worth (Fair Value) is $1050 based on 124 sales over ~17 years .
Informational estimate, not an offer. Updated on based on the last sale.

Also searched as: Iron Man #128 CGC 9.8 value, CGC 9.8 price, Iron Man #128 worth.

What is Iron Man #128 CGC 9.6 worth in 2026?

Estimated worth (Fair Value) is $258 based on 211 sales over ~17 years .
Informational estimate, not an offer. Updated on based on the last sale.

Also searched as: Iron Man #128 CGC 9.6 value, CGC 9.6 price, Iron Man #128 worth.

What is Iron Man #128 CGC 9.4 worth in 2026?

Estimated worth (Fair Value) is $220 based on 178 sales over ~18 years .
Informational estimate, not an offer. Updated on based on the last sale.

Also searched as: Iron Man #128 CGC 9.4 value, CGC 9.4 price, Iron Man #128 worth.

What is Iron Man #128 CGC 9.2 worth in 2026?

Estimated worth (Fair Value) is $213 based on 118 sales over ~13 years .
Informational estimate, not an offer. Updated on based on the last sale.

Also searched as: Iron Man #128 CGC 9.2 value, CGC 9.2 price, Iron Man #128 worth.

What is Iron Man #128 CGC 9.0 worth in 2026?

Estimated worth (Fair Value) is $163 based on 96 sales over ~14 years .
Informational estimate, not an offer. Updated on based on the last sale.

Also searched as: Iron Man #128 CGC 9.0 value, CGC 9.0 price, Iron Man #128 worth.

What is Iron Man #128 CGC 8.5 worth in 2026?

Estimated worth (Fair Value) is $156 based on 68 sales over ~13 years .
Informational estimate, not an offer. Updated on based on the last sale.

Also searched as: Iron Man #128 CGC 8.5 value, CGC 8.5 price, Iron Man #128 worth.

What is Iron Man #128 CGC 8.0 worth in 2026?

Estimated worth (Fair Value) is $113 based on 54 sales over ~13 years .
Informational estimate, not an offer. Updated on based on the last sale.

Also searched as: Iron Man #128 CGC 8.0 value, CGC 8.0 price, Iron Man #128 worth.

What is Iron Man #128 CGC 7.5 worth in 2026?

Estimated worth (Fair Value) is $131 based on 48 sales over ~12 years .
Informational estimate, not an offer. Updated on based on the last sale.

Also searched as: Iron Man #128 CGC 7.5 value, CGC 7.5 price, Iron Man #128 worth.

What is Iron Man #128 CGC 7.0 worth in 2026?

Estimated worth (Fair Value) is $102 based on 22 sales over ~13 years .
Informational estimate, not an offer. Updated on based on the last sale.

Also searched as: Iron Man #128 CGC 7.0 value, CGC 7.0 price, Iron Man #128 worth.

What is Iron Man #128 CGC 6.5 worth in 2026?

Estimated worth (Fair Value) is $90 based on 26 sales over ~10 years .
Informational estimate, not an offer. Updated on based on the last sale.

Also searched as: Iron Man #128 CGC 6.5 value, CGC 6.5 price, Iron Man #128 worth.

What is Iron Man #128 CGC 6.0 worth in 2026?

Estimated worth (Fair Value) is $62 based on 15 sales over ~8 years .
Informational estimate, not an offer. Updated on based on the last sale.

Also searched as: Iron Man #128 CGC 6.0 value, CGC 6.0 price, Iron Man #128 worth.

What is Iron Man #128 CGC 5.5 worth in 2026?

Estimated worth (Fair Value) is $125 based on 12 sales over ~11 years .
Informational estimate, not an offer. Updated on based on the last sale.

Also searched as: Iron Man #128 CGC 5.5 value, CGC 5.5 price, Iron Man #128 worth.

What is Iron Man #128 CGC 5.0 worth in 2026?

Estimated worth (Fair Value) is $69 based on 15 sales over ~8 years .
Informational estimate, not an offer. Updated on based on the last sale.

Also searched as: Iron Man #128 CGC 5.0 value, CGC 5.0 price, Iron Man #128 worth.

What is Iron Man #128 CGC 4.5 worth in 2026?

Estimated worth (Fair Value) is $60 based on 3 sales over ~1 years .
Informational estimate, not an offer. Updated on based on the last sale.

Also searched as: Iron Man #128 CGC 4.5 value, CGC 4.5 price, Iron Man #128 worth.

What is Iron Man #128 CGC 4.0 worth in 2026?

Estimated worth (Fair Value) is $97 based on 2 sales over ~1 years .
Informational estimate, not an offer. Updated on based on the last sale.

Also searched as: Iron Man #128 CGC 4.0 value, CGC 4.0 price, Iron Man #128 worth.

What is Iron Man #128 CGC 3.5 worth in 2026?

Estimated worth (Fair Value) is $60 based on 2 sales over ~1 years .
Informational estimate, not an offer. Updated on based on the last sale.

Also searched as: Iron Man #128 CGC 3.5 value, CGC 3.5 price, Iron Man #128 worth.

What is Iron Man #128 CGC 3.0 worth in 2026?

Estimated worth (Fair Value) is $50 based on 1 sales over ~1 years .
Informational estimate, not an offer. Updated on based on the last sale.

Also searched as: Iron Man #128 CGC 3.0 value, CGC 3.0 price, Iron Man #128 worth.

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