Type  Cartridge filling fountain pen, working well. Product Name  Just like the Diplomat 41 but not a piston filler. Manufacturer and Year  Diplomat, made in Germany -- 1960s. Length  5-1/4 inches. Filling System  Takes...

Type  fountain pen Product Name Classic Collection Manufacturer and Year  Diplomat, Germany -- late 1980s or early 1990s, based off of the W Germany imprint. Length  5-7/16" Filling System  Takes international cartridges and...

Type  Modern fountain pen Product Name unknown Manufacturer and Year  Zeppelin, Germany -- late 1990s, the model came out in 1996. Length  5-3/4" Filling System  International style cartridges and converters. Currently fitted...

Type  Pen Set Product Name  100 as identified near the piston knob. Manufacturer and Year  Tropen, made in Germany -- 1950s or 60s. Length  The fountain pen is 5" and the mechanical pencil is 5-1/8". Filling...