Vintage Pens Parker 51 Classic Aerometric Cocoa Fountain Pen PreviousParker 51 Custom Midnight Blue Fountain Pen NextParker 51 Custom Continuous Feed Pencil Parker 51 Classic Aerometric Cocoa Fountain Pen Parker 51 Classic Aerometric Cocoa Fountain Pen £300.00 Circa 1950. The Cocoa colour was produced in the USA. Nib Size: Select Nib Size Extra FineMedium Extra Fine Medium Quantity: Add To Cart Facebook0 Twitter LinkedIn0