Jun 30, 2026 Ungraded $176 e b a y
1975 O-Pee-Chee Baseball George Brett RC # 228 VG Kansas City Royals #228 Jun 22, 2026 PSA 5 $622 e b a y
1975 O-PEE-CHEE #228 George Brett PSA 5 RC - Nicely Centered Jun 10, 2026 SGC 1.5 $230 e b a y
1975 O-Pee-Chee George Brett Rookie SGC 1.5 Kansas City Royals #228 #228 Apr 20, 2026 PSA 8 $3,105 e b a y
1975 O-PEE-CHEE #228 GEORGE BRETT RC ROYALS HOF PSA 8 Apr 1, 2026 PSA 7 $1,180 e b a y
1975 O-Pee-Chee Set-Break #228 George Brett PSA 7 NM #228 Mar 27, 2026 PSA 6 $1,000 e b a y
1975 O-PEE-CHEE #228 GEORGE BRETT ROOKIE RC PSA 6 #228 Mar 18, 2026 Ungraded $625 e b a y
1975 OPC O-Pee-Chee - George Brett #228 (RC) Kansas City Royals HOF #228 Mar 7, 2026 Ungraded $179 e b a y
1975 O-Pee-Chee Set-Break #228 George Brett LOW GRADE (crease) *GMCARDS* #228 Feb 23, 2026 PSA 4 $332 e b a y
1975---O-PEE-CHEE- -GEORGE BRETT-- # - 228--PSA--4 #228 Feb 20, 2026 PSA 6 $841 e b a y
1975 O-Pee-Chee #228 George Brett RC PSA 6 #Various Feb 15, 2026 Ungraded $300 e b a y
1975 O-Pee-Chee George Brett #228 Kansas City Royals 3rd Base Baseball Card #228 Feb 8, 2026 SGC 6 $550 e b a y
1975 O-PEE-CHEE SGC 6 GEORGE BRETT ROOKIE #228 BASEBALL CARD NM/EX #228 Feb 4, 2026 Ungraded $455 e b a y
1975 Topps O-Pee-Chee # 228 George Brett Rookie EX + Jan 27, 2026 SGC 2 $210 e b a y
1975 O-Pee-Chee OPC - George Brett #228 (RC) NOT Topps SGC 2 #228 Jan 12, 2026 PSA 6 $882 e b a y
GEORGE BRETT 1975 O-PEE-CHEE 228 VINTAGE ROOKIE CARD RC EX-MINT PSA 6 ROYALS HOF #228 Jan 10, 2026 PSA 7 $1,300 e b a y
1975 O-PEE-CHEE #228 GEORGE BRETT ROOKIE RC PSA 7 #228 Dec 28, 2025 SGC 6 $700 e b a y
1975 O-Pee-Chee - George Brett #228 (RC) SGC 6 #228 Dec 26, 2025 Ungraded $330 e b a y
1975 Opc George Brett Topps O.p.c. Rookie Card Baseball #228 Rc O Pee Chee #228 Dec 25, 2025 SGC 3.5 $275 e b a y
1975 TOPPS OPC O-PEE-CHEE #228 GEORGE BRETT Rookie SGC 3.5 Royals rare Vintage #228 Dec 2, 2025 Ungraded $217 e b a y
1975 O-Pee-Chee Set-Break #228 George Brett VG-VGEX *GMCARDS* #228 Nov 23, 2025 Ungraded $265 e b a y
1975 O-Pee-Chee - George Brett #228 (RC) #228 Nov 19, 2025 SGC 6 $595 e b a y
1975 O-Pee-Chee #228 George Brett RC/Rookie Royals (by Topps) HOF SGC 6 EX-NM #228 Nov 13, 2025 PSA 9 $8,845 1975 O-Pee-Chee George Brett Rookie #228 PSA Mint 9.... Nov 7, 2025 PSA 1 $245 e b a y
1975 O-PEE-CHEE #228 GEORGE BRETT RC ROOKIE PSA 1 #228 Oct 27, 2025 SGC 5.5 $500 e b a y
1975 O-Pee-Chee GEORGE BRETT RC #228 OPC SGC 5.5 EX+ #228 Oct 17, 2025 PSA 4 $350 e b a y
1975 O-PEE-CHEE #228 GEORGE BRETT ROOKIE RC PSA 4 #228 Oct 5, 2025 PSA 4 $282 e b a y
1975 OPC O Pee Chee GEORGE BRETT #228 PSA 4 Sep 26, 2025 PSA 4 $302 e b a y
1975 O-PEE-CHEE #228 GEORGE BRETT RC ROOKIE PSA 4 Sep 8, 2025 PSA 7 $1,300 e b a y
1975 O-PEE-CHEE #228 GEORGE BRETT RC ROYALS HOF PSA 7 Aug 16, 2025 Ungraded $216 e b a y
1975 O-Pee-Chee Set-Break #228 George Brett LOW GRADE (crease) *GMCARDS* #228 Jul 30, 2025 SGC 1 $235 e b a y
1975 O-Pee-Chee Baseball George Brett Rookie Card RC #228 SGC 1 - POP: 1 #228 Jul 25, 2025 Ungraded $195 e b a y
1975 O-PEE-CHEE #228 GEORGE BRETT RC ROOKIE Jun 28, 2025 PSA 6 $650 e b a y
1975 O-Pee-Chee #228 George Brett PSA 6 #228 Jun 21, 2025 PSA 5 $450 e b a y
1975 O-PEE-CHEE #228 GEORGE BRETT ROOKIE RC PSA 5 #228 Jun 16, 2025 Ungraded $239 e b a y
1975 O-Pee-Chee #228 George Brett Rookie RC VG+ RARE #228 Jun 14, 2025 PSA 7 $1,000 e b a y
1975 O-Pee-Chee Baseball George Brett #228 Rookie Graded PSA 7 NM Pop 58! #228 Jun 11, 2025 SGC 7 $824 1975 O-Pee-Chee George Brett #228 SGC NM 7.... May 23, 2025 Ungraded $459 e b a y
1975 O-Pee-Chee Set-Break #228 George Brett RC EX-EXMINT *GMCARDS* #228 Apr 24, 2025 PSA 2.5 $255 e b a y
1975 O Pee Chee OPC - George Brett #228 (RC) PSA 2.5 Rookie HOF #228 Apr 22, 2025 PSA 5 $755 e b a y
George Brett 1975 OPC O-Pee-Chee #228 HOF RC PSA 5 EX #228 Mar 12, 2025 PSA 6 $650 e b a y
1975 O Pee Chee Baseball #228 George Brett PSA 6 Graded rookie card #228 Mar 8, 2025 Ungraded $191 e b a y
George Brett 1975 O-Pee-Chee Rare Baseball Rookie Card #228 🔥🔥 #228 Mar 5, 2025 Ungraded $405 e b a y
1975 O-Pee-Chee Set-Break #228 George Brett RC EX-EXMINT *GMCARDS* #228 Feb 26, 2025 PSA 4 $348 e b a y
1975 O-Pee-Chee Rookie George Brett PSA 4 #228 Feb 18, 2025 PSA 3 $199 e b a y
1975 George Brett O-PEE-CHEE OPC PSA 3 #228 Nov 19, 2024 PSA 3 $164 e b a y
1975 O-PEE-CHEE George Brett Rookie Card VG PSA 3 #228 Oct 10, 2024 PSA 4 $225 e b a y
1975 O-Pee-Chee OPC George Brett Rookie RC #228 PSA 4 Kansas City Royals VG-EX Oct 6, 2024 PSA 6 $650 e b a y
1975 O-Pee-Chee #228 George Brett Royals RC HOF PSA 6 - EX/MT #228 Sep 2, 2024 PSA 10 $63,000 1975 O-Pee-Chee George Brett Rookie #228 PSA Gem Mint 10.... Aug 27, 2024 PSA 7 $995 e b a y
**Much More SCARCE OPC Version** 1975 O-Pee-Chee #228 George Brett PSA 7 #228 
Estimated market value — upgrade to Collector to unlock
