Hermès HERMES Trident paper cup Silvery

HERMES Trident paper cup
"Trident plane" with the initials stamped JCB
Width : 2. cm - Length: 15 cm
Letter opener, letter opener signed HERMES. in silver metal, depicting a trident.
Sold in its used condition, small piece of chipped silver on the back of the paper cutter see photo
The O.9000 Trident was a French prototype aircraft developed by SNCASO.
At the request of the Air Force which was interested in a supersonic interceptor, SNCASO studied in 1951 the concept of an aircraft combining a classic reactor and a rocket engine and two prototypes were ordered
prototype n °1 reached in 1954 Mach speed 1,63.
Despite the successes achieved, the program was interrupted on 6 October 1958