Parker 51 Aerometric Customized "Martele" Fountain Pen in Full Copper - Pen Parts Store
Parker 51 Aerometric Fountain Pen Pencil Set (Canada, 1949) - Burgundy, GF Converging Lines Caps, Fine (Excellent in Box, Work Well) - Peyton Street Pens
Parker 51 Black Fountain Pen | Pen Store
Parker 51 Aerometric Demi Fountain Pen & Pencil Set (1951) - Cocoa, Lustraloy Cap, Medium 14k Nib (Excellent + in Box, Works Well) - Peyton Street Pens