He is also an avid autographer and has a massive collection of Minnesota Twins autographs.
Cartoonist HANK KETCHAM "'Dennis Menace" Hand Signed Letter Switzerland 11/15/77
Hank Ketcham’s Complete Dennis The Menace 1951-1952. Fantagraphics Books 2005 HC
Dennis the Menace-Busybody Hank Ketcham printed 1974
Dennis the Menace Teacher's Threat Hank Ketcham
Dennis the Menace Fall Ball Special 1970 Fawcett Silver Age Hank Ketcham vg/f
"DENNIS THE MENACE" VINTAGE 1968 DRAW-WITH-ME-PAD "HANK KETCHAM" COMIC STRIP
