Majority are 1.25" with one larger and three smaller. Many of these were issued at the war's end while several others were issued for reunions held a few years later. Group begins with ten for the 27th Division with the first one naming them "Hindenburg Line Busters." In row three last two have identical fronts but different reverses. Next comes group of ten for Pennsylvania's 28th Division. In the bottom row are three for Maryland's 29th Division with final button calling them "The Hun Smashers." This one is covered in tiny craze lines but almost invisible without magnification. A couple may have a tiny dot or two but vast majority are NM and most display Mint as well.