By shickerson, 19 August, 2010 Description Blue Pin with white lettering that reads. Harding * And * Coolidge Stamp on back Reads: J.L. Lynch 325 N Madison Street Pat. Jan 1917 Pat# R91215675 Category General Antiques and Collectibles Medium election pin material. Metal Distinguishing marks "Harding and Coolidge" on front. J L Lynch Chicago Stamp on back with patent date of 1917 Condition Excellent Date Period 1920 History A Harding Coolidge election pin from the 1920 election between Warren G. Harding and James M. Cox. Found at antique shop eBay Auction Link Price Paid (If known) $30 For Sale? No Photos Log in or register to post comments