Knickerbocker - Medium - 1 - Sheaffer Jade ceblox, Ivory celluloid, Black ebonite

Knickerbocker - Medium size
Sheaffer Jade ceblox, Ivory celluloid, Black ebonite
#8 Bock or #6 Jowo nib
Piston filler

Barrel Thread Ø: .550"
Closed: 5 11/16"
Open: 5 3/16" Bock #8.  5 1/16" Jowo #6.
Posted: 6 13/16" Bock #8.  6 11/16" Jowo #6.