Set ↗30d—no repeat sales90d+5.3%few sales1y−37%few sales
This card30d 90d 1y All-time 

Combin' Harry #421b 1987 Garbage Pail Kids Series 11 · PSA 10

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PSA pop6

PSA 10 · 1987 Garbage Pail Kids Original Series 11 →

— Hold · next 3 monthsNo sale in the last 3 months, so there is no fresh price to read; it stays a hold until it sells again.
PSA pop · this parallel
6
Card # 421b⇄ 421AGroovy Greg
GPK Price Guide Value iBased on this card’s sales at this grade: 1 sale in 2026 near $70; 2 older sales from 2024-2025 near $208; and similar cards point lower ($54).
$80
PSA 10 · from 3 real sales · last sold May 27
🟢 lowest on eBay: $186.98 all-in
🛒 1 listing on eBay now PSA 10 SLAB
RAW (UNGRADED) — NOT A GRADED VALUE
$2
8 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
2026-05-27$69.99PSA 10131766016 ↗Auction
2025-03-22$199.99PSA 1046441437 ↗FixedPrice
2024-11-03$216.50PSA 1040944824 ↗Auction

🗑️ The Garbologist says…

Too Few Recent Sales
The Garbologist sniffed around the sales pile.
  • 3 recorded sales · 1 in the last year · trades only a few times a year · limited-confidence sample.
  • The recent trail reads $216 → $200 → $70 — choppy but broadly rangebound.
  • None

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.

Combin' Harry — across every card

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

🧬 Should I slab it?

Keep it raw

About 1 in 3 copies of 1987 Original Series 11 cards get a 10, and a 9 is worth $22 — less than the $92 it costs to grade. Even a 10 ($80) would leave you about -$12 after costs, not more than raw.

Expected value if gradedunder $0 (the likely slab, $42, is $50 short of the $92 all-in cost)
Raw value today$2 (from 8 raw sales)
VerdictKeep it raw

Even a PSA 10 would not beat the raw value.

Chance of a PSA 10
38%
1987 Original Series 11 cards · 1,545 graded
PSA 10 value
$80
today · ~$80 by Feb 13, 2027
PSA 9 value
$22
today · ~$22 by Feb 13, 2027
All-in cost
$92
PSA fee $60 + shipping both ways $32
How these numbers work
All-in cost $92: PSA Standard tier fee $60 per card, insured shipping to PSA ~$12, PSA insured return shipping ~$20. Sending it to your PSA Vault instead skips return shipping (vault intake and storage are free): ~$72 all-in, so a graded copy would net ~under $0.
Grade odds (1987 Original Series 11 cards, 1,545 PSA-graded): 10 · 38%, 9 · 44%, 8 · 10%, 7 or lower · 8%. People send their best copies, so a random raw copy usually grades a bit lower.
Values when it comes back (~95 days, about Feb 13, 2027): today's values (the set has no clear 3-month trend).
Expected value if graded = each grade's chance × its value, minus the all-in cost. A guide, not a guarantee — centering and corners on your copy decide the grade.

Combin' Harry #421b 1987 Garbage Pail Kids Series 11 value by grade

GradeValueSalesPSA pop
PSA 10$8036
PSA 9$2227
PSA 8$1122

Every grade of this card on one page. Est. = no sale at that grade yet. Tap a grade above to switch the whole page to it.

GPK Price Guide
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