Charm: 12mm L x 8mm W Solid 100% Sterling Silver Matte Finish Asterisk Post Earrings. Sweet, small, and simple, these cheerful earrings go with everything. Asterisk charms come on sterling silver posts with butterfly backs. MEANINGS & SYMBOLISM: From late Latin, meaning 'little star', wild card, exceptional. Items are not necessarily shown actual size and may be enlarged to show detail. All screen resolutions are different so please note actual measurements.