Bob Knepper Base #589 · Topps (1978) | PopHunter

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Bob Knepper

Name: Bob Knepper
Brand: Baseball
SKU: cmqeohy0c2ormz8144lup53j3

Base💎 19.7% gemRC

Topps · #589 · 1978

eBaySearch Sold comps

Estimated Market Value · PSA 10

Estimate

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

PSA 10 $

$157

PSA 10 Pop

Gem Rate

19.7%

30D Change

0.0%

Market data as of Jun 28, 2026

Opportunity

46.7

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

7.85x

Active Listings

—

PSA10 Mkt Cap

$3,766

PSA 10 Price

$157

30D PSA10

0.0%

90D PSA10

+100.0%

Raw Price

30D Raw

0.0%

90D Raw

-25.0%

Prices by Grade & Grader

Population Reports

PSA Population

122 total

PSA 10

PSA 9

PSA 8

PSA 7

PSA 6

PSA 5

PSA 4

PSA 3

PSA 10 Price

PSA 9 Price

PSA 10 Population

Total Population

Opportunity Score

Active Listings

Recent Sales

Date	Grade	Price	Platform	Title
Jun 25, 2026	Ungraded	$2	ebay	1978 Topps - Bob Knepper #589 (RC) San Francisco Giants ⚾ Baseball Card #589
Jun 14, 2026	Ungraded	$0	ebay	Bob Knepper - 1978 Topps - # 589 - ROOKIE - Giants - FREE SHIPPING!
Jun 8, 2026	Ungraded	$1	ebay	1978 Topps #589 Bob Knepper San Francisco Giants #589
May 15, 2026	Ungraded	$1	ebay	1978 Topps Baseball - #589 Bob Knepper (RC) Giants EXMT-NM (Set Break)* #589
May 12, 2026	Ungraded	$1	ebay	1978 Topps #589 Bob Knepper San Francisco Giants - Nice Card
Apr 29, 2026	PSA 9	$20	ebay	1978 TOPPS #589 BOB KNEPPER PSA 9 #589
Mar 27, 2026	Ungraded	$1	ebay	1978 Topps #589 Bob Knepper Giants RC 5 - EX #589
Mar 13, 2026	PSA 10	$213	ebay	1978 TOPPS #589 BOB KNEPPER RC GIANTS PSA 10 SET BREAK #589
Feb 18, 2026	Ungraded	$2	ebay	1978 Topps Bob Knepper RC Rookie Giants #589 EX Vintage #589
Feb 10, 2026	Ungraded	$1	ebay	1978 Topps - #589 Bob Knepper (RC) #589
Feb 9, 2026	Ungraded	$1	ebay	1978 Topps #589 Bob Knepper RC Giants
Feb 8, 2026	Ungraded	$2	ebay	1978 Topps Bob Knepper RC #589 - San Francisco Giants #589
Feb 2, 2026	Ungraded	$2	ebay	1978 Topps #589 Bob Knepper RC NM/NM+ X3303582 #589
Feb 1, 2026	Ungraded	$1	ebay	1978 Topps #589 Bob Knepper EXMT Giants
Jan 26, 2026	Ungraded	$1	ebay	1978 TOPPS BOB KNEPPER RC #589 EX/NM #589
Dec 29, 2025	Ungraded	$1	ebay	1978 Topps - #589 Bob Knepper (RC) #589
Oct 22, 2025	Ungraded	$1	ebay	1978 Topps #589 Bob Knepper RC - EX-MT
Sep 27, 2025	Ungraded	$1	ebay	1978 TOPPS #589 BOB KNEPPER (SAN FRANCISCO GIANTS) ROOKIE BASEBALL CARD #589
Aug 31, 2025	PSA 9	$10	ebay	BOB KNEPPER 1978 Topps #589 PSA 9 MINT SET BREAK SAN FRANCISCO GIANTS #589
Aug 22, 2025	PSA 7	$5	ebay	Bob Knepper 1978 Topps #589 (RC) PSA 7 NM!!! #589
Aug 17, 2025	Ungraded	$2	ebay	1978 Topps #589 Bob Knepper Rookie San Francisco Giants #589
Aug 16, 2025	Ungraded	$2	ebay	1978 Topps #589 Bob Knepper Rookie San Francisco Giants RC Card #589
Aug 3, 2025	Ungraded	$3	ebay	1978 TOPPS BOB KNEPPER ROOKIE . SAN FRANCISCO GIANTS #589 #589
Aug 2, 2025	Ungraded	$1	ebay	1978 TOPPS #589 Bob Knepper SAN FRANCISCO GIANTS EX+ A
Aug 1, 2025	Ungraded	$1	ebay	1978 Topps #589 Bob Knepper - VG #589
Jul 12, 2025	Ungraded	$1	ebay	1978 Topps #589 Bob Knepper San Francisco Giants #589
Jul 6, 2025	PSA 8	$13	ebay	1978 TOPPS #589 BOB KNEPPER RC GIANTS PSA 8
Jun 28, 2025	Ungraded	$2	ebay	1978 Topps #589 Bob Knepper RC EX-MT/NM San Francisco Giants #589
Jun 26, 2025	Ungraded	$2	ebay	1978 Topps #589 Bob Knepper - Ex-Mt+ #589
Jun 22, 2025	PSA 8	$15	ebay	1978 TOPPS #589 BOB KNEPPER RC GIANTS PSA 8
Jun 2, 2025	Ungraded	$1	ebay	1978 Topps Bob Knepper 589 RC San Francisco Giants #589
May 25, 2025	PSA 8	$16	ebay	1978 TOPPS #589 BOB KNEPPER RC GIANTS PSA 8
Apr 24, 2025	Ungraded	$2	ebay	1978 Topps #589 Bob Knepper RC NM/NM+ X3385579 #589
Apr 4, 2025	Ungraded	$1	ebay	1978 TOPPS #589 Bob Knepper SAN FRANCISCO GIANTS EX-MINT A
Apr 3, 2025	PSA 9	$26	ebay	1978 TOPPS #589 BOB KNEPPER PSA 9 #589
Apr 3, 2025	PSA 9	$26	ebay	1978 TOPPS #589 BOB KNEPPER ROOKIE RC PSA 9 #589
Mar 30, 2025	PSA 6	$10	ebay	1978 Topps Baseball #589 Bob Knepper PSA 6
Mar 22, 2025	Ungraded	$2	ebay	1978 Topps #589 Bob Knepper San Francisco Giants Baseball card #589
Nov 10, 2024	PSA 9	$25	ebay	1978 Topps Baseball #589 Bob Knepper PSA 9 #589
Oct 8, 2024	PSA 10	$78	ebay	1978 Topps Set-Break #589 Bob Knepper PSA 10 GEM MINT #589
Dec 17, 2023	PSA 9	$17	ebay	1978 Topps #589 Bob Knepper PSA 9
Jul 30, 2023	PSA 8	$20	ebay	PSA 8 NM MINT 1978 TOPPS BOB KNEPPER #589 GIANTS 35383 B161 #589
Feb 19, 2023	PSA 9	$15	ebay	1978 Topps #589 BOB KNEPPER PSA 9 81464560 #589
Dec 31, 2022	PSA 9	$9	ebay	1978 Topps BOB KNEPPER SAN FRANCISCO GIANTS #589 PSA 9 MINT SET BREAK #589
Jul 24, 2022	PSA 7	$5	ebay	1978 TOPPS BASEBALL #589 BOB KNEPPER PSA 7 KGC-46153
Jun 5, 2022	PSA 8	$15	ebay	1978 Topps Bob Knepper #589 PSA 8 NM-MT
May 21, 2022	PSA 9	$10	ebay	1978 Topps Bob Knepper Rookie #589 Graded PSA 9 mint Giants Set Break low pop #589
Oct 9, 2021	PSA 10	$51	ebay	1978 Topps #589 Bob Knepper PSA 10 GEM MINT San Francisco Giants
Sep 21, 2021	PSA 8	$6	ebay	1978 TOPPS #589 Bob KNEPPER PSA 8 (21774249)
Sep 11, 2021	PSA 9	$20	ebay	1978 Topps #589 Bob Knepper PSA 9 Mint RC San Francisco Giants Rookie #589

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