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1987 Topps Garbage Pail Kids Series 11 #450b Mason Mace front
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Price history · PSA 9
image from latest verified sale
1987 Topps Garbage Pail Kids Series 11

Mason Mace

Base
View all Mason Mace cards →

PSA 9

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Pop
6
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. It's a thin trader — only 1 recorded sale in the past year, which is too few to call a trend without kidding ourselves. 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