Flat Pat #31b

Glossy
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Active on eBay · for sale now
PSA pop18

PSA 6 · 1985 Garbage Pail Kids Original Series 1 →

— Holdnext 3 months: cards here were a coin flip, typically about flat
PSA pop · this parallel
18
Card # 31b⇄ 31ARun Down Rhoda
GPK Price Guide Value iGPK Price Guide Value is a recency-weighted market value from REAL sales of this exact card+grade (recent comps count most, outliers stripped) — steadier and harder to game than a single 'last sale', which can be one lucky auction or a shill bid. When a card has few or no recent comps, we estimate transparently from its own older sales, its other grades, and comparable cards (same subject/set/rarity tier), factoring subject trend and scarcity — and we LABEL it as an estimate until real sales arrive.
$23
PSA 6 · this grade
PSA 10 comp $754
🟢 lowest on eBay: $45.98 all-in
🛒 1 listing on eBay now PSA 6 SLAB
RAW (UNGRADED) — NOT A GRADED VALUE
$14
25 raw sales used for this value view raw sales →
● real comps ● est. — own older sales ● est. — never sold ● unsold
Price history · PSA 6
On-the-record sales go back as far as PSA reports them — late 2017 for GPK — plus eBay-tracked and raw sales as they land.
DatePriceGradeCertType
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🗑️ The Garbologist says…

Cooling Off
The Garbologist has been digging through this one's trash.
  • 3 recorded sales · 1 in the last year · trades only a few times a year · limited-confidence sample.
  • The recent trail reads $39 → $16 → $14 — a steady drift lower.
  • Median moved -61% across the window ($39 → $15).
  • Heads up: the last recorded sale ($14 on 2026-06-07) landed 39% below our current value — weigh it as a single data point.
  • Census check: PSA has graded 204 of this card, and only 13.7% come back a 10 — tough to gem.
  • Net-net, the heat is coming off — recent sales are softening. Could be a breather, could be a top; the trash doesn't say which.

Automated analysis generated from this card’s real recorded sales and PSA population data — no opinions, no predictions guaranteed. Entertainment and research only, not financial advice.

Flat Pat — across every card

Subject page →
Every Flat Pat card we track — how the character is moving, not just this one grade.

🧬 Should I slab it?

SLAB IT

About a 14% gem (PSA 10) rate on this card's own PSA pop - graded pop is self-selected (best copies get submitted), so a random raw likely grades lower. Expected value ~$176 before the $80 PSA fee (fee only - excludes shipping & insurance), ~$97 after, vs a raw copy around $14 from 25 raw sales. Grading pencils out here, especially if you hit the $754 ten.

Gem (PSA 10) rate
14%
this card · 207 graded
PSA 10 value
$754
if you hit the ten
Grading cost
$80
PSA Regular tier
Expected after grade
$96
vs raw $14 from 25 raw sales

Probability-weighted across grades using PSA population (this card) as a proxy for cut & print quality, minus the grading fee. A guide, not a guarantee — centering and eye-appeal on your specific copy decide the grade.

GPK Price Guide
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