BEING RESEARCHED- Vietnam War RVN Helicopter Wing Training? Cadet? RVN Army? -NOT FOR SALE til IDed

Unidentified Vietnam War Republic of Vietnam (RVN) Helicopter Wing in nickel plated brass with painted details. Wing shows feather details and in a helicopter in the center against a light blue disk with the letters A.N.T.B. – D.T. Training? Cadet? RVN Army?

Circa Vietnam War

Approximately 2 3/8" x 3/4"

Nickel plated brass and paint.

Horizontal safety-style pin.

None.

This is from a collection of unidentified items which we will be listing more of over the next few months. Item will not be sold until it is identified. TRVBEX TREX14 LX10/14

8 (Excellent-): Wing shows surface wear, nearly all the painted details remain intact.

As with all my artifacts, this piece is guaranteed to be original, as described.