Parker 51 Aerometric Mark IV - Navy Blue, Gold Filled Cap, Medium (Excellent, Works Well) - Peyton Street Pens

Parker 51 Aerometric Fountain Pen Set (UK, 1950s) - Navy Grey, Lustraloy Caps, Medium 14k Nib (Excellent +, Working Well) - Peyton Street Pens

Review – Page 3 – Mat's Pens

Parker 51 Aerometric Mark IV - Navy Blue, Lustraloy Cap, Medium (Excellent +, Works Well) - Peyton Street Pens

51s for sale

Funkmon on pens. A small fish in a small pond.

51s for sale

Parker 51 Pens Collection

Parker 51 Deluxe Fountain Pen with Plum Barrel and Gold-Plated Attributes and Medium Nib in 18 Carat Gold with Black Ink Cartridge in Gift Box : Office Products

Funkmon on pens. A small fish in a small pond.