Kaiser Wilhelm 1909-11 T206 Sweet Caporal 150 Hands to Chest BVG 4.5 (VG-EX+) Baseball Card

Kareem Abdul-Jabbar (HOF) 1988 Fleer #64 PSA 7 (NM) Basketball Card

Ketchel-Kelly, "Good-Bye Kelly" 1909 James Jeffries 3 of Hearts Playing Cards PSA 5 (EX) Boxing Card

Khabib Nurmagomedov 2021 Chronicles UFC Gold #265 PSA 9 (MINT) MMA Card

Khabib Nurmagomedov* 2022 Panini Select UFC Artistic Selections #10 PSA 9 (MINT) MMA Card

Kid Berg (HOF) 1938 Cartledge Razor Famous Prize Fighters #43 SGC 9 (MINT) 96 Boxing Card

Lamine Yamal 2025 Topps Now FC Barcelona #5 PSA 9 (MINT) Football Card

Lance Alworth (HOF) 1966 Topps #119 PSA 7 (NM) Football Card

Lance Alworth (HOF) 1969 Topps #69 PSA 7 (NM) Football Card

Landon Donovan 2008 Upper Deck MLS Assist Kings #AK11 SGC 10 (GEM MINT) Soccer Card

Larry Sherry 1960 Topps #105 BVG 8 (NM-MT) Baseball Card

Lieut. Gen. French 1901 Ogdens LTD. Guinea Gold-A Base #105 PSA 7 (NM) Entertainment Card

Lionel Messi (RC) 2006 Panini Fifa World Cup Germany Candy Album-Panel PSA 6 (EX-MT) Soccer Card

Lionel Messi 2020 Topps Chrome UCL Pink X-Fractor #1 PSA 9 (MINT) Soccer Card

Lloyd Moseby 1988 Grenada Baseball Stamps PSA 9 (MINT) Baseball Card

Magic Johnson (HOF) 1990 Fleer #93 PSA 9 (MINT) Basketball Card

Magic Johnson 1990 Fleer #93 PSA 8 (NM-MT) Basketball Card

Mariekson Gregorius 2011 Bowman Chrome Prospects #BCP209 PSA 9 MINT Baseball

Mark McGwire 1987 Donruss Rookies #1 SGC 9 (MINT) 96 Baseball Card

Marlon Brando 1970 RGI Movie Moguls Board Game Star Agency PSA 7 (NM) Entertainment Card

Maternal Affection 1880-1890 Victorian Trade Card (Pinhole) Fireplace Scene Lithograph Card

Michael Jordan 1995 Topps #4 PSA 8 (NM-MT) Basketball Card

Michael Porter Jr. (RC) 2018 Panini Status New Breed Autographs #NB-MPJ PSA 10 Basketball Card

Mitch Kupchak 1981 Topps East #97 PSA 8 (NM-MT) Basketball Card