Description

Don Walsh (right) and Jacques Piccard salute from the deck of the bathyscaphe TRIESTE after successfully completing their expedition to the bottom of the Marianas Trench in Jan. 1960; cover of book "Seven Miles Down. The Story of the Bathyscaph Trieste" (1961) by Jacques Piccard and Robert S. Dietz. (C)

Type

printed red

Location

obverse right

Text

8

Type

printed red

Location

obverse right

Text

DEC 84 N12

Type

handwritten black ink

Location

obverse left

Inscriber

Edgerton

Text

PICCARD & WALSH

Type

handwritten red ink

Location

obverse bottom left

Text

[crossed circle]