Vintage sterling silver hot air balloon themed pierced post earrings. The balloons are set with channel inlay that includes turquoise, fake malachite and coral. Basket hangs from chain and is decorated with a gold accent. I did not scratch test it for purity, but it is Black Hills Gold style and they is usually 10k. 

They are 1 1/4" long. Together they weigh 7 grams. No hallamrks, but marked 925. 

Commemorative of the Albuquerque Hot Air balloon races.