#PL043 - Group of 2 different Johnson Button Proof Sheets You get the two sheets for $2 (that's $1.00 each). All together, there are 18 button proofs on the sheets. So, that only comes to about 11¢ per proof! The one sheet has 6 picture button proofs of Johnson and 6 picture button proofs of a cowboy hat that says "LBJ" on it (these sheets have the plastic coating on them and were ready for stamping. The other sheet has six picture proofs for Johnson and Humphrey. Old unused stock from the Oleet Bros in Mt Vernon, NY. Circa 1968. $2.00