Vtg Lot of 4 Union Pinback Buttons Brotherhood of Railroad Trainmen 1947, 48, 49 For Sale

Offered for your consideration is a lot of 4 trade union pinback buttons. They are B. of R. T., Brotherhood of Railroad Trainmen, Apr. & May 1947, March 1948 and March 1949. Most are in very good condition, however, there is some rust on the back of one and a speck of rust on the back of another. Please see photos for details. All items are described to the best of my ability. Please email with questions, as all sales are final. More photos can be added, if needed. Items will be shipped within two business days from receipt of payment, or sooner, if possible. I am happy to combine shipping on multiple purchases. Payment within 24 hours is appreciated, as is positive response! Thanks for looking!