• Vintage Cufflinks Moveable Abacus Sterling Silver 
• Marked Made in Hong Kong and Silver
• Silver content: Purchased at an estate sale, estate sale agent tested in front of me, tested for silver most likely 925/1000 but could be a slightly different grade such as 900/1000
• Moveable beads of abacus
• Pre-owned, good condition
• We store our items in a smoke free warehouse