Besides, many chippers seem to like gambling better than gaming...

Maybe change memorable to memorabilia?

G.A.M.E.S....
Gambling
And
Memorable
Educational
Society

C.H.I.P.S is actually kind of growing on me... (Casino History International Preservation Society) We're an international club (ummm...make that society!) that preserves casino history....

O.K.....O.K....back to the drawing board...