Timbres pompiers volontaires 3c et premiers intervenants double FDC Ioor Sc#971,5316 16216

This Dual First Day cover for the Volunteer Firemen of America 3c & Honoring First Responders (50c) Forever Stamps was posted in Dover, Delaware on October 4th, 1948 and Missoua, MT on September 13th, 2018 each with a FDOI cancellation. The cover is franked with a 3c & 50c stamp and cachet-ed with a Harry Ioor cachet design. This is an outstanding cover, great for this issue, a great collectible and keepsake. Thank you for your consideration.