Billy Williams Base #350 · O Pee Chee (1971) | PopHunter

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Billy Williams

Name: Billy Williams
Brand: Baseball
SKU: cmqeoai9g2c27z814j6lwxfhf

Base💎 0.0% gem

O Pee Chee · #350 · 1971

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Estimated Market Value · Raw

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 $

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PSA 10 Pop

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Gem Rate

0.0%

30D Change

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Market data as of Jul 3, 2026

Opportunity

58.0

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

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Active Listings

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PSA10 Mkt Cap

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PSA 10 Price

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30D PSA10

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90D PSA10

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Raw Price

30D Raw

-1.5%

90D Raw

-14.9%

Prices by Grade & Grader

Population Reports

PSA Population

44 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 24, 2026	Ungraded	$2	ebay	1971 O-Pee-Chee #350 BILLY WILLIAMS
May 5, 2026	PSA 6.5	$54	ebay	1971 O-Pee-Chee Baseball #350 Billy Williams PSA 6.5 #350
Apr 11, 2026	Ungraded	$7	ebay	1971 O-Pee-Chee Set-Break #350 Billy Williams LOW GRADE (crease) GMCARDS #350
Apr 1, 2026	Ungraded	$5	ebay	1971 O-Pee-Chee Billy Williams #350, poor, creased #350
Mar 5, 2026	Ungraded	$22	ebay	1971 O-Pee-Chee Set-Break #350 Billy Williams EX-EXMINT GMCARDS #350
Feb 13, 2026	Ungraded	$26	ebay	1971 O-Pee-Chee Billy Williams #350 HOF 0o5t #350
Sep 11, 2025	Ungraded	$3	ebay	1971 OPC O PEE CHEE #350 BILLY WILLIAMS HOF CHICAGO CUBS #350
Aug 29, 2025	Ungraded	$10	ebay	1971 O-Pee-Chee Set-Break #350 Billy Williams EX-EXMINT GMCARDS #350
Jul 20, 2025	Ungraded	$7	ebay	Billy Williams 1971 O-Pee-Chee OPC Baseball #350 Chicago Cubs EX-EXMT #
Jul 10, 2025	PSA 7	$81	ebay	1971 O-PEE-CHEE #350 BILLY WILLIAMS PSA 7 #350
Apr 4, 2025	PSA 4	$15	ebay	1971 O-PEE-CHEE #350 BILLY WILLIAMS CUBS HOF POP 4 PSA 4
Mar 6, 2025	Ungraded	$2	ebay	1971 O-Pee-Chee #350 Billy Williams - VG-EX
Dec 21, 2024	Ungraded	$1	ebay	1971 O-PEE-CHEE BASEBALL #350 BILLY WILLIAMS - CHICAGO CUBS GOOD RAW (09) #350
Nov 20, 2024	Ungraded	$6	ebay	1971 O-Pee-Chee Set-Break #350 Billy Williams VG-VGEX GMCARDS #350
Nov 6, 2024	PSA 6	$37	ebay	1971 O-PEE-CHEE #350 BILLY WILLIAMS CUBS HOF PSA 6 #350
Nov 3, 2024	Ungraded	$4	ebay	1971 O-Pee-Chee #350 Billy Williams Cubs (HOF)Nice
Oct 22, 2024	Ungraded	$2	ebay	1971 O-Pee-Chee #350 Billy Williams #350
Sep 22, 2024	Ungraded	$7	ebay	1971 O-Pee-Chee #350 Billy Williams
May 17, 2024	PSA 6	$36	ebay	1971 O-Pee-Chee Set-Break #350 Billy Williams PSA 6 EX-MT #350
May 4, 2024	PSA 4	$25	ebay	1971 OPC O-Pee-Chee #350 Billy Williams Cubs HOF PSA 4 VG-EX
Apr 29, 2024	Ungraded	$5	ebay	1971 O-Pee-Chee Billy Williams #350 HOF #350
Jan 27, 2024	Ungraded	$4	ebay	1971 O-Pee-Chee Set-Break #350 Billy Williams VG-VGEX (crease) GMCARDS #350
Sep 29, 2023	Ungraded	$5	ebay	1971 O-PEE-CHEE OPC BASEBALL #350 BILLY WILLIAMS EX+ HALL OF FAME FREE SHIP ***
Aug 15, 2023	Ungraded	$10	ebay	1971 O-PEE-CHEE #350 Billy Williams Cubs VG-EX LOOK!
Jun 24, 2023	Ungraded	$2	ebay	1971 O-Pee-Chee #350 Billy Williams - Chicago Cubs #350
May 24, 2023	Ungraded	$10	ebay	1971 O-Pee-Chee Set-Break #350 Billy Williams EX-EXMINT GMCARDS #350
May 12, 2023	Ungraded	$1	ebay	1971 OPC O-pee-Chee Baseball #350 Billy Williams Chicago Cubs HOF #8
May 12, 2023	Ungraded	$8	ebay	1971 BILLY WILLIAMS O-PEE-CHEE OPC CHICAGO CUBS #350
Apr 19, 2023	Ungraded	$6	ebay	1971 O-Pee-Chee Set-Break #350 Billy Williams VG-VGEX GMCARDS #350
Jan 16, 2023	PSA 4	$14	ebay	1971 OPC O-Pee-Chee Baseball #350 Billy Williams HOF Cubs PSA 4
Oct 21, 2022	Ungraded	$5	ebay	1971 O-Pee-Chee Billy Williams Chicago Cubs #350 #350
Sep 5, 2022	Ungraded	$3	ebay	1971 O-Pee-Chee #350 Billy Williams VG X2554030 #350
Aug 31, 2022	Ungraded	$8	ebay	1971 O Pee Chee OPC #350 Billy Williams Cubs VG-EX *y6
Jul 30, 2022	Ungraded	$8	ebay	1971 O-Pee-Chee #350 Billy Williams - Chicago Cubs - VG/EX EX
Jul 2, 2022	Ungraded	$5	ebay	1971 O Pee Chee OPC #350 Billy Williams Cubs VG *T6
May 22, 2022	Ungraded	$4	ebay	BILLY WILLIAMS 1971 OPC O Pee Chee #350 FREE SHIPPING
May 2, 2022	PSA 5	$24	ebay	1971 O-PEE-CHEE #350 BILLY WILLIAMS PSA 5
Apr 4, 2022	PSA 4	$30	ebay	1971 O-Pee-Chee #350 Billy Williams PSA 4 Chicago Cubs
Jan 31, 2022	Ungraded	$10	ebay	1971 O-Pee-Chee Billy Williams #350 HOF

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