This is a pair of French clip earrings in an antique bronze finish and features a 2003 Australian postage stamp from the Nature of Australia - Rainforests series. This particular 50¢ stamp shows the Green-spotted Triangle, also known as the Tailed Jay, which is a tropical swallowtail butterfly. 

The images were taken from a real, used, vintage postage stamp and may have post office cancellation marks.

Size of earring is 18mm and they are lead and nickel free.

Earrings are water resistant but not waterproof. The artist recommends removing before showering, bathing, or swimming.