Vintage United Transportation Union UTU 60 Years Service 3 Lapel Pins

vintage UTU ~ United Transportation Union 3 brass tone lapel pins 2 pins adorned with the UTU logo ~ a red T surrounded by 2 blue Us on a white background 1 pin has the same logo and reads 60 Years there are markings on the back which are very difficult to read, even with a loupe, but I believe that they read 'IJWU Union Made' (International Jewelry Workers Union) these are in great to fair condition ~ please refer to photos please see photos for approx sizes