Old Real Photo Postcard Highway Post Office Bus RPPC

If you needed to mail a letter between Albany N.Y. and Rutland, Vt., you might have had to run fast to catch this 'United States Mail Highway Post Office' bus. It's the first P.O. on wheels we've ever seen and this original old real photo postcard came from a Florida Postmaster's collection. The photo was taken by H.B. Rood of Poultney, Vt. Card has an undivided back and notation as seen. It's postally unused. Excellent condition.