Kizuyama Ooban lv 4 (a3594)

Very Rare Kizuyama Stone with Amazing pattern parallel stripes of different colours   !
Ooban is size of the stone and they are crazy rare
Very smooth and very fine stone ! on Harder side 
You don't see Kizuyama stones that often and this Ooban size is amazing collector grade stone.

So this one is extra special ! 
Very big stone that will last for many generations

Best to use with Nagura 

Collector Grade ! 

Size: 230mm 115mm 40mm