Vintage / Antique Original Damascene Ring, Oriental Japanese (?) Handmade

Rare one of a kind original Oriental Japanese (?) handmade Damascene ring. Rising Sun motif. With real 24 karat gold hammered into the oxidized black metal. Adjustable size, fits 6.75 and larger. Real melted black glass surface on the inside. Ancient Damascene technique is very labor intensive and produces valuable and collectible pieces. This ring is particularly rare and unique.