Beautiful & Scarce WWI US Air Service Officer Overseas Cap Winged Prop (Branch of Service) Insignia

ARTIFACT: Beautiful and scarce WWI United States Air Service Officer Overseas cap winged prop (branch of service) insignia. The insignia is a sterling winged propeller with a pinback.

VINTAGE: Circa WWI

SIZE: Approximately 1-3/16" x 3/4"

MATERIALS / CONSTRUCTION: Sterling

ATTACHMENT: Horizontal pin with drop in swivel locking catch

MARKINGS: "STERLING"

ITEM NOTES: This is from a WWI US Air Service collection which we will be listing more of over the next few months. VBEX11 LADEX1/16

CONDITION: 8 (Excellent-): The prop shows minor to moderate wear, handsome patina, overall excellent condition.

GUARANTEE: As with all my items, this piece is guaranteed original.