This is a cash discount voucher given to employees of Coca-Cola in Harrisburg, Pennsylvania. These vouchers were given as bonuses and entitled the bearer to use them to purchase merchandise from the National Certificate Corporation catalog. The coupon expires in July of 1924. The coupon measures 4-1/4 inches long and 2-1/4 inches wide. It is in excellent condition and comes in a protective plastic cover. Please let me know if you have any questions. Thanks for visiting my store.