This is a 14K yellow gold charm of Saint Peter's Basilica in Vatican (Rome). Marked "585" which is the European equivalent of 14 karat. Measuring 5/8" x 5/8 x 5/16", and weighing 7.5 grams.

Dimensions: 5/8" x 5/8" x 5/16"
Weight: 7.5 grams
Metal: 14k gold

Jump ring is included (not soldered).