Nakayama Nagura "Large" - Japanese Natural Slurry Stone - Choose Your Stone

Choose your stone from the numbered photos. These are nagura (or slurry stones) recently mined from the famous Nakayama mountain in Kyoto, Japan.The mountain’s mines had been closed for years, but this supplier has re-started mining with the permission from the mountain owner and has found good quality stones. These can be used as nagura as-is, cut into multiple slurry stones or even used to hone small blades or as pocket hones. 
Guide to stone stamps: Black characters say "Nakayama Awaseto". Green stamp is the stone supplier’s emblem. The black marking is the stamp of Kyoto natural stone association.