This is an original professional basketball playoff ticket for the New York Knickerbockers in 1950's. Not sure what year as it is undated. At Madison Square Garden, $3.50 for a Guest that is stamped Guest 3 times on ticket. For Game 1 and side Promenade.  Small print reads ticket can not be resold for excess of $1. Measures 6 by 2 3/4 inches.