Rare find! The McCaskey Register Co. Multiplex Sales Receipt Pad never used! Copyright on these are 1890-1901. They were made for H.L Spealman, Druggist in Chadwick, Ill. (I looked Mr. Spealman up and he was born 1877 and died in 1959. I have 3 of these unused pad available. 5 3/4" X 3 1/4". Please message if you have questions and thanks for looking!