Men's vintage synthetic color changing alexandrite ring. Marked B10K. Total approx. weight 14 grams. Size 10 1/4. Stone measures 18mm x 14mm. Good overall condition with minor wear. Hill Auction Gallery in house USA continental shipping $25 plus insurance. Gallery will refer a local shipper for international buyers. Please contact sfloridadelivery@gmail.com for local home delivery quote. Purchaser pick up available upon request.