Star Trek #21 (1973) — Comic Book Value

Star Trek

What Star Trek #21 (1973) is worth — ungraded and CGC graded (6.0, 8.0).

Star Trek #21 (1973) value — Ungraded $12 · Grade 6.0 $35 · Grade 8.0 $62. Prices updated August 2026.

Series · Star Trek
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Value by grade
$12
Ungraded
2.9×
$35
Grade 6.0
5.2×
$62
Grade 8.0

Real sold prices per grade — the Grade 8.0 premium on this card is 5.2× raw.

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Which version do you have?

If you just want the item, grab the B version for $1. The higher-priced versions like Lendl ($7) or Standard ($11) offer better condition or specific printing, which collectors value. Buyers prioritizing the item itself should stick to the cheapest options like the B ($1) or Newsstand ($2). Those seeking a specific, higher-quality collectible should pay for the Standard or Lendl versions.

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Item details

Series
Star Trek

Star Trek #21 (1973) comic value

An ungraded copy of Star Trek #21 (1973) averages around $12. A CGC 6.0 runs about $35, and a CGC 8.0 commands $62.

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

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ConditionValueBased on
Ungraded$12eBay sold comps
Grade 6.0$35eBay sold comps
Grade 8.0$62eBay sold comps

Frequently asked questions

What is the starting price for this Star Trek issue?
Ungraded copies of Star Trek #21 (1973) are currently available starting at $11.
How much more is a Grade 8.0 worth compared to ungraded?
A Grade 8.0 copy sells for $62, compared to the ungraded starting price of $11.
Is there a specific price point for a Grade 6.0 copy?
A Grade 6.0 copy of Star Trek #21 (1973) is listed at $31.

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