Jul 1, 2026 Ungraded $25 e b a y
1977 Kellogg's Set-Break # 6 George Brett NM-MT OR BETTER *GMCARDS* #6 Jun 22, 2026 Ungraded $20 e b a y
1977 KELLOGG'S 3-D #6 George Brett KANSAS CITY ROYALS HOF NM #6 Jun 14, 2026 Ungraded $2 e b a y
1977 KELLOGG'S 3-D SUPER STARS #6 GEORGE BRETT ROYALS #6 Jun 5, 2026 Ungraded $6 e b a y
1977 Kellogg's 3-D Super Stars - George Brett #6 #6 Jun 5, 2026 Ungraded $12 e b a y
1977 Kellogg's 3-D Super Stars - George Brett #6 #6 Jun 3, 2026 Ungraded $18 e b a y
1977 KELLOGG'S 3-D #6 George Brett KANSAS CITY ROYALS HOF #6 May 13, 2026 PSA 9 $129 e b a y
1977 Kellogg's 3-D #6 George Brett Kansas City Royals HOF PSA 9 MINT May 8, 2026 Ungraded $20 e b a y
1977 Kellogg's 3-D Super Stars #6 George Brett Kansas City Royals #6 May 1, 2026 Ungraded $15 e b a y
1977 Kellogg's 3-D Super Stars - George Brett #6 #6 Apr 26, 2026 Ungraded $20 e b a y
1977 Kellogg’s Baseball Card #6 George Brett, Kansas City Royals, NM-MT! #6 Apr 25, 2026 Ungraded $20 e b a y
1977 KELLOGG'S 3-D #6 George Brett KANSAS CITY ROYALS ( No Cracks ) NM Apr 20, 2026 PSA 9 $113 e b a y
1977 KELLOGG'S #6 GEORGE BRETT ROYALS HOF PSA 9 Apr 19, 2026 Ungraded $9 e b a y
1977 Kellogg’s 3D Super Stars Baseball George Brett Card #6 -Read #6 Apr 12, 2026 PSA 9 $60 e b a y
1977 Kelloggs George Brett PSA 9 NICE!!!! #6 Apr 11, 2026 Ungraded $4 e b a y
1977 Kellogg's 3-D Super Stars George Brett #6 Kansas City Royals EX #6 Apr 1, 2026 Ungraded $20 e b a y
1977 Kellogg's 3-D Super Stars #6 George Brett Kansas City Royals #6 Mar 31, 2026 Ungraded $7 e b a y
1977 Kellogg's Set-Break # 6 George Brett EX-EXMINT *GMCARDS* #6 Mar 30, 2026 Ungraded $20 e b a y
1977 Kellogg's 3-D Super Stars #6 George Brett Kansas City Royals #6 Mar 26, 2026 Ungraded $5 e b a y
1977 Kellogg's 3-D Super Stars #6 George Brett #6 Mar 25, 2026 Ungraded $22 e b a y
1977 Kellogg's Set-Break # 6 George Brett NM-MT OR BETTER *GMCARDS* #6 Mar 21, 2026 Ungraded $15 e b a y
1977 Kellogg's 3-D Super Stars George Brett #6 Kansas City Royals NM UX7438 #6 Mar 19, 2026 Ungraded $16 e b a y
1977 Kellogg's Set-Break # 6 George Brett NR-MINT *GMCARDS* #6 Mar 16, 2026 Ungraded $1 e b a y
Vintage 1977 Kellogg's George Brett 3-D Super Stars #6 Kansas City Royals #6 Mar 11, 2026 Ungraded $7 e b a y
Vintage 1977 Kellogg's George Brett 3-D Super Stars #6 Kansas City Royals #6 Mar 7, 2026 Ungraded $3 e b a y
1977 Kellogg's 3-D Super Stars - George Brett #6 #6 Mar 4, 2026 Ungraded $2 e b a y
1977 Kellogg's #6 George Brett LOW GRADE (filler) #6 Feb 26, 2026 Ungraded $6 e b a y
1977 Kellogg's 3-D Super Stars - George Brett #6 #6 Feb 8, 2026 Ungraded $1 e b a y
1977 Kellogg's Set-Break # 6 George Brett LOW GRADE (filler) *GMCARDS* #6 Feb 5, 2026 PSA 8 $80 e b a y
1977 Kellogg's 3-D Super Stars #6 GEORGE BRETT HOF PSA 8 NM-MT #6 Jan 29, 2026 Ungraded $10 e b a y
1977 Kellogg's Set-Break # 6 George Brett NR-MINT *GMCARDS* #6 Jan 26, 2026 SGC 8 $35 e b a y
1977 Kellogg's 3-D Super Stars - George Brett #6 HOF SGC 8 #6 Dec 28, 2025 Ungraded $6 e b a y
1977 Kellogg's 3-D Super Stars #6 George Brett Royals NM/MT+ SET BREAK Dec 23, 2025 Ungraded $6 e b a y
1977 Kellogg's 3-D Super Stars - George Brett #6 Sealed #6 Nov 16, 2025 Ungraded $15 e b a y
1977 Kellogg's baseball George Brett card #6 NM-MT NO cracks #6 Nov 8, 2025 SGC 5 $13 e b a y
1977 Kellogg's Set-Break # 6 George Brett SGC 5 EX #6 Oct 24, 2025 PSA 8 $40 e b a y
1977 Kellogg's 3-D Super Stars - George Brett #6 - PSA 8 #6 Oct 19, 2025 PSA 8 $40 e b a y
GEORGE BRETT 1977 Kellogg's 3D Super Stars #6 PSA 8 NM-MT - ROYALS #6 Oct 16, 2025 PSA 8 $25 e b a y
1977 KELLOGG'S #6 GEORGE BRETT ROYALS HOF PSA 8 Oct 3, 2025 Ungraded $4 e b a y
1977 Kelloggs Xogragh 3D Super Stars George Brett Baseball Card #6 KC Royals #6 Sep 25, 2025 Ungraded $1 e b a y
GEORGE BRETT Kansas City Royals 1977 Kellogg’s 3-D Super Stars Baseball Card #6 #6 Sep 24, 2025 PSA 10 $405 e b a y
1977 Kellogg's George Brett PSA 10 #6 Gem Mint 10 #6 Jul 21, 2025 SGC 7 $33 e b a y
1977 Kellogg's 3-D Super Stars George Brett #6 HOF SGC 7 #6 Jun 1, 2025 PSA 8 $52 e b a y
1977 Kellogg's George Brett #6 PSA 8 HOF #6 Apr 22, 2025 PSA 8 $22 e b a y
1977 Kellogg's 3-D #6 George Brett Kansas City Royals HOF PSA 8 NM-MT Apr 11, 2025 PSA 8 $60 e b a y
1977 Kellogg's 3-D Super Stars - #6 George Brett Kansas City Royals Psa 8 #6 Jul 22, 2024 PSA 6 $25 e b a y
George Brett 1977 Kellogg’s #6 PSA 6 Baseball HOF Kansas City Royals #6 Jun 29, 2024 PSA 9 $60 e b a y
1977 Kellogg’s #6 George Brett PSA 9 #14 Oct 29, 2023 PSA 8 $50 e b a y
1977 Kellogg's #6 George Brett PSA 8 NM-MT Kansas City Royals HOF #6 Aug 24, 2023 PSA 9 $40 e b a y
1977 Kelloggs #6 George Brett PSA 9 HOF Royals NICE! #6 Jul 18, 2023 PSA 6 $12 e b a y
1977 Kelloggs #6 George Brett PSA 6 #6 
Estimated market value — upgrade to Collector to unlock
