Found by diver,Madagascar.
17.7mm,Gem.
Yes,I do combine shipping!And you can purchase over multiple Auctions.If you would like a quote for shipping,please dont hesitate to message me if unsure,and I will get back to you as soon as possible. Please wait for final invoice from myself before paying.Please do not pay via Ebay App on phone or tablet as you may be charged twice,or more, for shipping!I only ship Wednesday and Thursdays.Thank you,and happy bidding!