Vintage metal piece applique for jewelry making art repurpose

Vintage curved metal item sewed to a black background Silver tone metal It reminds me of the old cut steel jewelry, but I'm not sure what it's are actually made of. Good for jewelry making, upcycle, etc It has wear and orange rust patina See photo next to quarter for size reference Measures approx 2.25" x 1 7/8" Ships fast! FAWNg828UF688UEED French remnant from a shoe clip? art deco