Ko Boshi Kabuto 64 plates with 26 Boshi per plate ascending from large to small. 1664 Boshi Believed to be Myochin work , could be early Edo or a little earlier ( Momoyama ) Liner intact so not sure if signed  Wood Edo period Dragon Maidate  Very heavy construction  Many thanks to Nick Ricupero from Nihontoart.com for selling this to me. Photos by Nick as well.