1930's Gas Coupon Book,5" x 2" with the covers and a coupon page shown.It is unused and has coupon denominations of 50,25,5 and 1 cent with a total of $10 value.They all have the "421A" serial number and the first page is the registration certificate to be filled out and returned to "Copelin Motor Company. Excellent Condition with the front cover taped near the spine where it had torn away