BEING RESEARCHED 1940s-'50s? Sterling National Pilots' Association? Lapel Wing NOT FOR SALE TIL IDed

This is an unidentified lapel wing in sterling silver that reads NPA at the wing's center. NPA could possibly stand for the National Pilots' Association.

Circa 1940s-1950s(?).

Approximately 1/4" in height and 1" in width.

Sterling silver, enamel.

Post with clutch-back backing.

None.

This is from an accumulation of unidentified items which we will be listing more of over the next few months. Item will not be sold until it is identified. LX7/12

8- (Very Fine-Excellent): The wing shows some light wear and tarnish.

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