Supergirl [Conner] #21 (2018) — Comic Book Value
SupergirlWhat Supergirl [Conner] #21 (2018) is worth — ungraded and CGC graded (6.0, 8.0).
Supergirl [Conner] #21 (2018) value — Ungraded $5. Prices updated August 2026.
Live on eBay right now
Which version do you have?
If you just want the card, the Standard versions at $1 or $4 are the cheapest way to own Supergirl #21. Paying more for Blank ($16) or Newsstand ($10) gets you a cleaner or more accessible copy. Conner ($5) offers a graded, authenticated piece. Save your money unless you specifically want the premium presentation or higher grade.
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Item details
- Series
- Supergirl
Supergirl [Conner] #21 (2018) comic value
An ungraded copy of Supergirl [Conner] #21 (2018) averages around $5. A CGC 6.0 runs about null, 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
What this actually trades for — sold values by condition vs. what sellers are asking today
| Condition | Value | Based on |
|---|---|---|
| Ungraded | $5 | eBay sold comps |
Frequently asked questions
- What is the current resale value for this ungraded Supergirl issue?
- The current resale value for the ungraded Supergirl #21 (2018) is listed on the marketplace.
- Is the condition of this comic important for its value?
- Yes, the ungraded condition is a key factor determining its current resale value in the Supergirl series.
- Where can I find other Supergirl comics?
- You can browse the entire Supergirl series on our resale-value marketplace.