1/4" wide to 3/8" wide where head and tail overlap. Slightly oval turquoise cabochon in head. CYBS maker's mark. Made by hand with 4 winding twists; some wear/flattening at bottom from repeated use, maybe writing? Birmingham, .375, (9ct gold), rosy color, very clear hallmarks, O date mark - 1863. 5.27 grams. Size 10, resizable.