1975s: b/w postcard with authentic autograph by the first rebreatherdiver, Professor Hans Hass, the well known Diving Pioneer, Oceanographer, and Naturalist, mainly known for his documentaries about sharks, the energon theory, and his commitment to the protection of the environment.
The card is in fine condition and has a clear signature.
Size: 4 x 5.9 inches.
The Autograph comes with a Certificate of Authenticity. The original envelope it has been mailed will be added.
Item ID: col-5201
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