Calvin Coolidge: Key, Rarely-offered 1¼" 1920 Vice Presidential Pinback

Calvin Coolidge: Key, Rarely-offered 1¼" 1920 Vice Presidential Pinback. With only a few known, this has long been a "holy grail" item for Coolidge specialists. The Berman example is choice, with some minor light surface rust on the metal back noted for accuracy. The only other specimen we have ever handled was in the iconic Larry Krug Coolidge collection, which we sold in the early 1990s. Grade: 0, Service: Other, Service No.: 0