BEING RESEARCHED - Unidentified 1930's Era (?) BPA A.R.M.A. Transportation (?) Badge

ARTIFACT: This is an unidentified, possibly 1930's era transportation badge (possibly). the badge reads BPA at center and A.R.M.A ARMA at top. This badge is heavily enameled and numbered 44.

VINTAGE: Circa 1930's (?)

SIZE: About 2"

MATERIALS / CONSTRUCTION: Enameled brass

ATTACHMENT: Horizontal pin with over-under catch

MARKINGS: "A.R.M.A. B.P.T. 44"

ITEM NOTES: This is from an Unidentified Items collection which we will be listing more of over the next few months. MBEX17

CONDITION: 8+ (Excellent): Light wear and wonderful patina.

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