Likely archaic Chinese grooved scabbard or sword slide. Black to russet coloration throughout with areas of grayish-beige jade. The top with three shallow grooves. The polish, form, and patina all suggest archaic dating.

Provenance: Private Minneapolis Collection – collected in China prior to 1985.

Length: 2 in x width: 3/4 in x depth: 1/2 in.
Weight: 20.57 grams.