The Parker 51 Special was introduced in 1950 and was fitted with an alloy nib. The Parker 51 Special also had a black clip screw and a U shaped pressure bar. The Parker 51 Fountain Pen - A Brief History.
Parker 51 Archive - Page 2
Ref. 884
Parker 51 Vacumatic fountain pen, lustraloy cap, maroon barrel, 14crt medium nib, pearlised cap jewel, vacumatic filler, unmarked in all respects, nib grade sticker still attached to barrel, English, circa 1940s, (mint). Sold
Ref. 959
MKII Parker 51 Classic pen, burgundy with satin lustraloy cap, 14crt gold medium nib, pearlised cap jewel, aerometric filler, no dings or marks, uninked with chalk marks, boxed, circa 1970s, (mint). Sold
Ref. 890
Parker 51 Classic, teal blue with lustraloy cap, aerometric filler, 14crt medium nib, pearlised clip jewel, uninked with retail chalk marks, new old stock, boxed, English, circa 1960s, (mint). Sold
Ref. 887
Parker 51 Classic, teal blue with lustraloy cap, aerometric filler, 14crt medium nib, pearlised clip jewel, uninked with retail chalk marks, new old stock, boxed, English, circa 1960s, (mint). Sold
Ref. 862
Parker 51 Custom twin set, grey barrels with original chalk marks, gold-filled caps, 14crt fine nib, pearlised cap jewels, aerometric filling, 1971, no dings, scratches, or marks, (near mint). Sold
Ref. 874
Parker 51 Classic, lustraloy cap, black, 14crt fine nib, pearlised clip jewel, aerometric filler, one very faint pocket clip mark but otherwise no dents, dings, or scratches, English, circa 1960s, (very good). Sold
Ref. 868
Parker 51 Classic twin set, teal-blue barrels with original chalk marks, satin finish lustraloy caps, 14crt fine nib, pearlised cap jewels, aerometric filling, c. 1960s, (mint). Sold
Ref. 855
Parker 51 Signet fountain pen, 12 carat gold filled, 14crt broad nib, pearlised cap jewel, circa 1955, aerometric filler, no dings, scratching or marks, made in USA, (excellent). Sold