True Vintage Filigree Butterfly Brooch/Pin Detail

Ok condition. Not sure exactly what year it is from but it is true vintage. Rather tarnished but could probably be cleaned. No other major flaws or scratches but small ones are possible. Post is rather pointy and the end is not protected (see photo) No lowball offers please. Priced based off condition & research of similar brooches/Pins. Reasonable offers are considered Approximate measurements 1.5” x 1.5” Unknown brand & material NO TRADES/RETURNS