The 1933 Pedley-Ryan Colorado dollar is a "So-Called Dollar” a type of non-official silver disc created by Pedley-Ryan & Co. in Denver, Colorado, to promote investment in silver during the Great Depression. These discs were designed to look like a standard US silver dollar and were sold to small investors as a way to speculate on the rising price of silver. They were redeemable at Pedley-Ryan at the prevailing market price of silver.