The case is in very good condition with minute signs of typical shelf wear. All the pieces are included as per the flyer sheet (Check Photos and Rules Book).
Vintage Configurations Game for Thinkers by Harold W. Dorwart WFF'N Proof
WFF Game of Modern Logic by Layman E. Allen 1965 Yale Vintage Dice WFF’n Proof
1968 WFF 'N PROOF THE GAME of MODERN L0GIC LEYMAN ALLEN BOOK GAME PIECES
Wff'n Proof Game
ON-SETS The Game of Set Theory (1967 Wff'n Proof) -- Complete in Box