— Holdnext 3 months: cards here were a coin flip, typically about flat
PSA pop · this parallel
26
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.
$174
PSA 10 · highest-graded comp
Highest graded sale with a real comp PSA 9 · $98
🛒 4 listings on eBay now RAW
RAW (UNGRADED) — NOT A GRADED VALUE
$31
10 raw sales used for this value view raw sales →
● real comps ● est. — own older sales ● est. — never sold ● unsold
Price history · PSA 10
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…

Trending Up
Straight from the Garbologist's clipboard:
  • 15 recorded sales · 2 in the last year · trades every few months · high-confidence sample.
  • The recent trail reads $90 → $66 → $110 → $100 → $154 — a clear march higher.
  • Median moved +53% across the window ($62 → $95).
  • Census check: PSA has graded 48 of this card, and only 54.2% come back a 10 — gems fairly readily.
  • Net-net, the momentum points up — real buyers are paying more, more often. Not a promise, just what the garbage is telling us.

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.

Hammerin' Harper — across every card

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

🧬 Should I slab it?

SLAB IT

About a 54% 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 ~$128 before the $80 PSA fee (fee only - excludes shipping & insurance), ~$48 after, vs a raw copy around $31 from 10 raw sales. Grading pencils out here, especially if you hit the $174 ten.

Gem (PSA 10) rate
54%
this card · 48 graded
PSA 10 value
$174
if you hit the ten
Grading cost
$80
PSA Regular tier
Expected after grade
$48
vs raw $31 from 10 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.

More from 2023 Topps Garbage Pail Kids X MLB Series 3

All 76 cards in this set → 2023 Topps Garbage Pail Kids X MLB Series 3 checklist →
GPK Price Guide
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