George Brett Base #100 · Topps (1978) | PopHunter

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George Brett

Name: George Brett
Brand: Baseball
SKU: cmqeohvhg2n5gz8148yujeqiw

Base💎 0.4% gem

Topps · #100 · 1978

eBaySearch Sold comps

Estimated Market Value · PSA 10

Estimate

Collector to unlockUpgrade

Where this card's market sits right now — modeled from its real sales and the movement of comparable markets.

PSA 10 $

$10,830

PSA 10 Pop

Gem Rate

0.4%

30D Change

0.0%

Market data as of Jul 2, 2026

Opportunity

60.8

Collector

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Investor

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Speculation

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See pricing to unlock Collector, Investor & Speculation scores

Market

PSA10 / PSA9

27.95x

Active Listings

—

PSA10 Mkt Cap

$119,130

PSA 10 Price

$10,830

30D PSA10

0.0%

90D PSA10

0.0%

Raw Price

30D Raw

-13.5%

90D Raw

-14.2%

Prices by Grade & Grader

Population Reports

PSA Population

3,051 total

PSA 10

PSA 9

247

PSA 8

1,101

PSA 7

720

PSA 6

433

PSA 5

272

PSA 4

161

PSA 3

PSA 10 Price

PSA 9 Price

PSA 10 Population

Total Population

Opportunity Score

Active Listings

Recent Sales

Date	Grade	Price	Platform	Title
Jul 2, 2026	Ungraded	$2	ebay	1978 Topps George Brett #100 HOF #100
Jul 2, 2026	PSA 8	$66	ebay	1978 TOPPS BASEBALL~PSA 8~#100 GEORGE BRETT (HOF)~FREE SHIP~ROYALS #100
Jul 1, 2026	Ungraded	$1	ebay	1978 Topps Baseball Card #100 GEORGE BRETT Royals Item 3 filler
Jul 1, 2026	Ungraded	$2	ebay	1978 Topps Baseball Card #100 GEORGE BRETT Royals Item 2 filler
Jul 1, 2026	Ungraded	$3	ebay	1978 Topps GEORGE BRETT #100 #100
Jun 30, 2026	Ungraded	$2	ebay	1978 Topps Baseball George Brett Kansas City Royals Card #100 Hall of Famer (b) #100
Jun 30, 2026	Ungraded	$2	ebay	1978 Topps George Brett #100 #100
Jun 29, 2026	SGC 6	$7	ebay	1978 Topps George Brett #100 Royals SGC 6
Jun 28, 2026	Ungraded	$0	ebay	George Brett Kansas City Royals AL All-Star 3B 1978 Topps MLB Baseball Card #100 #100
Jun 28, 2026	Ungraded	$1	ebay	George Brett 1978 Topps #100 VG Crease R1P:84 #100
Jun 28, 2026	Ungraded	$3	ebay	1978 TOPPS #100 GEORGE BRETT ROYALS #100
Jun 28, 2026	Ungraded	$2	ebay	1978 TOPPS #100 GEORGE BRETT ROYALS #100
Jun 28, 2026	Ungraded	$2	ebay	1978 TOPPS #100 GEORGE BRETT ROYALS #100
Jun 28, 2026	Ungraded	$3	ebay	1978 Topps 100 George Brett #100
Jun 28, 2026	Ungraded	$6	ebay	1978 TOPPS #100 GEORGE BRETT ROYALS #100
Jun 28, 2026	Ungraded	$5	ebay	1978 TOPPS #100 GEORGE BRETT ROYALS #100
Jun 28, 2026	Ungraded	$5	ebay	1978 TOPPS #100 GEORGE BRETT ROYALS #100
Jun 28, 2026	Ungraded	$5	ebay	1978 TOPPS #100 GEORGE BRETT ROYALS #100
Jun 28, 2026	Ungraded	$3	ebay	1978 TOPPS #100 GEORGE BRETT ROYALS #100
Jun 28, 2026	Ungraded	$3	ebay	1978 TOPPS #100 GEORGE BRETT ROYALS #100
Jun 28, 2026	Ungraded	$1	ebay	1978 TOPPS #100 GEORGE BRETT ROYALS #100
Jun 28, 2026	Ungraded	$9	ebay	1978 TOPPS #100 GEORGE BRETT ROYALS #100
Jun 28, 2026	PSA 8	$86	ebay	1978 TOPPS #100 GEORGE BRETT - Kansas City Royals - PSA 8 - 144690564🔥⚾🔥 #100
Jun 27, 2026	Ungraded	$5	ebay	1978 Topps #100 George Brett Kansas City Royals HOF Legend #100
Jun 27, 2026	Ungraded	$5	ebay	1978 Topps - George Brett #100 #100
Jun 27, 2026	PSA 6	$15	ebay	1978 TOPPS BASEBALL # 100 GEORGE BRETT PSA 6 EX-MT #100
Jun 26, 2026	Ungraded	$3	ebay	1978 Topps George Brett #100 HOF 0p7 #100
Jun 26, 2026	Ungraded	$3	ebay	1978 Topps George Brett Kansas City Royals #100 #100
Jun 26, 2026	Ungraded	$3	ebay	1978 Topps Set-Break #100 George Brett EX-EXMINT GMCARDS #100
Jun 26, 2026	Ungraded	$2	ebay	1978 Topps - George Brett #100 #100
Jun 26, 2026	Ungraded	$7	ebay	1978 Topps #100 George Brett Kansas City Royals EX #100
Jun 26, 2026	PSA 7	$33	ebay	1978 Topps #100 George Brett PSA 7 NM HOF Kansas City Royals Great Centering! #100
Jun 25, 2026	Ungraded	$1	ebay	George Brett Kansas City Royals AL All-Star 3B 1978 Topps MLB Baseball Card #100 #100
Jun 23, 2026	Ungraded	$2	ebay	1978 Topps Baseball George Brett Kansas City Royals Card #100 Hall of Famer (c) #100
Jun 22, 2026	Ungraded	$4	ebay	1978 Topps #100 George Brett EX . Kansas City Royals #100
Jun 22, 2026	PSA 7	$29	ebay	1978 Topps - George Brett # 100 Royals PSA 7 Kansas City Royals HOF #100
Jun 21, 2026	Ungraded	$4	ebay	1978 Topps - George Brett #100 #100
Jun 21, 2026	Ungraded	$6	ebay	1978 Topps baseball George Brett card #100 VG/EX #100
Jun 21, 2026	Ungraded	$2	ebay	1978 TOPPS GEORGE BRETT #100 VG - EXCELLENT LIGHT TO MEDIUM CORNER WEAR ROYALS #100
Jun 21, 2026	Ungraded	$3	ebay	1978 TOPPS GEORGE BRETT #100 #100
Jun 21, 2026	Ungraded	$8	ebay	1978 TOPPS #100 GEORGE BRETT ROYALS #100
Jun 21, 2026	Ungraded	$6	ebay	1978 TOPPS #100 GEORGE BRETT ROYALS #100
Jun 20, 2026	Ungraded	$3	ebay	George Brett 1978 Topps Card #100 Kansas City Royals #100
Jun 19, 2026	Ungraded	$3	ebay	1978 Topps #100 George Brett NM-MT #100
Jun 19, 2026	Ungraded	$5	ebay	1978 Topps - George Brett #100 (T247) #100
Jun 19, 2026	Ungraded	$9	ebay	1978 Topps Set-Break #100 George Brett NR-MINT GMCARDS #100
Jun 19, 2026	Ungraded	$9	ebay	1978 Topps Set-Break #100 George Brett EX-EXMINT GMCARDS #100
Jun 19, 2026	Ungraded	$2	ebay	1978 Topps Set-Break #100 George Brett EX-EXMINT GMCARDS #100
Jun 19, 2026	Ungraded	$10	ebay	1978 Topps - George Brett #100 GB24 #100
Jun 19, 2026	Ungraded	$2	ebay	1978 Topps Baseball AL All Star #100 George Brett

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