Flintstones #21 (1964) — Comic Book Value
FlintstonesWhat Flintstones #21 (1964) is worth — ungraded and CGC graded (6.0, 8.0).
Flintstones #21 (1964) value — Ungraded $4 · Grade 6.0 $85. Prices updated August 2026.
Series · Flintstones
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Flintstones #21 (1964) comic value
An ungraded copy of Flintstones #21 (1964) averages around $4. A CGC 6.0 runs about $85, and a CGC 8.0 commands null.
What drives the price
Grade is everything in comics — spine ticks, page color, and restoration decide the number, and the jump from raw to high grade can be 10×+. Key issues (first appearances, origins, deaths) carry the biggest premiums, and early printings beat reprints.
Price guide
Sold values by grade vs. what sellers ask today
| Condition | Value | Based on |
|---|---|---|
| Ungraded | $4 | eBay sold comps |
| Grade 6.0 | $85 | eBay sold comps |
Frequently asked questions
- What is the difference in value between the ungraded and graded versions?
- The ungraded copy is valued at $4, whereas a copy graded at 6.0 is valued at $85.
- Is this comic rare?
- The facts provided only list the pricing and grading for this specific issue.
- What is the year of publication for this Flintstones comic?
- This specific issue, Flintstones #21, was published in 1964.