Original circa 1890 6.5" x 4.25" cabinet card showing a folding block for printing signs. The top shows the block in its closed position, the middle showing it open with the words, in reverse, visible, and the bottom is the sign it would produced. This printing invention was created by Edward A. Bishop of the Arc Printing Company out of Racine, Wisconsin.
Cabinet card is in very good or better antique condition. The back is blank.
Shipping: Choice of Ground Advantage photo mailer or boxed Priority Mail.