NEW Sterling Silver Hummingbird Pin-Brooch turquoise

new vintage STERLING SILVER HUMMINGBIRD PIN New vintage from the 1970s-1980s. Turquoise chips set terrazzo style in black glossy enamel on Sterling silver. Most likely handmade in Mexico like other similar pieces. 2.5”+ long, hummingbird pin with end Group photos show the variations in the collection. There is a matching Hummingbird earrings in the collection. This has the original packaging which says “STERLING”. No hallmarks that I can see.