MI1855  Conway Stewart Dinkie Casein Prototype Fountain Pen, Cracked Ice pattern: marbled black and white. This is a model only - one piece construction - the cap does not remove from the barrel, no Conway Stewart maker marks engraved on the barrel.  Made ca. 1997-1998 prior to the Conway Stewart line being reintroduced in the US in 1999.  Regular production model retailed for about $150. Remember, this is a prototype design and is not in working order. (1 avail)