Signature Signed in stone, bottom right image: George Biddle
Marks None
Inscription Recto, bottom right image, in stone, in artist's hand: Rome. 1952.
Bottom left corner, in black ink, in artist's hand: 19/24
Bottom left, in graphite, in artist's hand: No. 136. "Oh What a beautiful morning!"
Bottom left, in blue ink, in different hand: 63.110
Verso: none