Adventure Time [Convention Sketch] #20 (2013) — Comic Book Value
Adventure TimeWhat Adventure Time [Convention Sketch] #20 (2013) is worth — ungraded and CGC graded (6.0, 8.0).
Adventure Time [Convention Sketch] #20 (2013) value — Ungraded $93. Prices updated August 2026.
Live on eBay right now
Which version do you have?
If you just want the item, buy the B or C version for $5. The Convention Sketch ($93) offers the highest perceived value through its unique edition, while the Standard version at $37 is a solid middle ground. Collectors prioritizing rarity and presentation should pay for the Convention Sketch, whereas budget-conscious buyers should stick to the cheapest available options.
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Item details
- Series
- Adventure Time
Adventure Time [Convention Sketch] #20 (2013) comic value
An ungraded copy of Adventure Time [Convention Sketch] #20 (2013) averages around $93. 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 | $93 | eBay sold comps |
Frequently asked questions
- What is the current value of this ungraded sketch?
- This Ungraded Adventure Time [Convention Sketch] #20 is listed at $93.
- Is the condition of this sketch important for its resale value?
- Since it is ungraded, the physical condition will be a key factor in its final resale value.
- What series does this sketch belong to?
- This sketch is from the Adventure Time series.