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1987 Topps Garbage Pail Kids Series 11 #450b Mason Mace front
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Price history · PSA 7
image from latest verified sale
1987 Topps Garbage Pail Kids Series 11

Mason Mace

Base
View all Mason Mace cards →

PSA 7

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Pop
1
Card # 450b
Garbage Pail Kids
TCA Value iTCAxis 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.
Confidence
★★★★★
See Active PSA 10 See Sold PSA 10 View on PSA
real comps est. — own older sales est. — never sold unsold
Last Sale
Avg Sale (30d)
across — sales
Volume (30d)
— vs prior 30d
Comp Sales (All)
all grades
vs 1 mo
vs 2 mo
vs 3 mo
High Low Avg sales Subject trend

🧬 Should I slab it?

Coin flip

Roughly a 75.0% gem rate on this card's own PSA pop. After the $19 grade it's about even with a raw copy — a coin flip that only pays off on a high grade.

Gem (PSA 10) rate
75.0%
this card · 32 graded
PSA 10 value
$32
if you hit the ten
Grading cost
$19
PSA Value tier
Expected after grade
$9
vs raw ~$4 est.

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

🗑️ The Garbologist says…

Too Thin To Call
The Garbologist sniffed around the sales pile. Nobody's actually sold this exact card and grade on record in the last year, so there's no live market to read — the price you see is a modeled estimate, not a realized sale. With this few sales, honest answer is we can't call the direction — one auction would swing the whole read.

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.

Value by grade — Base (this card) & other varieties
Base pop 33
PSA 10 $32 pop 24
PSA 9 $15 pop 6
PSA 7 $10 pop 1
GPK Price Guide