1906 Cuttyhunk "Hole in the Wall" Cyanotype Real Photo Post Card antique reader I don't know what to

I don't know what to say

4 1/8" t x 2 1/4" in diameter and in great shape

3 5/8" x 2 11/16 x 1/8" closed

which makes me think of the subject here

The is small piece of the gold grip of the ink pen that appears to have broken off on its back side

1906 Cuttyhunk "Hole in the Wall" Cyanotype Real Photo Post Card antique reader I don't know what toLots embedded in this cyanotype rppc, sent from a "Lizzie" in Cuttyhunk to Frank Slocum of South Westport, MA in 1906. It seems sure that Slocum was a descendent of Peleg Slocum, the Quaker from Portsmouth, RI who bought the island of Cuttyhunk in 1693 and whose family continued to live on it for many generations. One does wonder what all is going on inside the hole in the wall" pictured, which it looks like someone is entering with alacrity, perhaps