Used, 5 1/2 x 3 1/2 postcard, with full color illustration. C.D.S., South Boston, Mass., Jul. 28, 1906, with 1 cent Ben Franklin postage stamp.
Footnote: This type of postcard was used between 1901-1907, in what was called the "Undivided Back Era." You could only write the address on the back of the card. Any personal messages were restricted to the small white area on the front of the card.