Parker 51 Insignia Argentina, c. 1960, set of fountain pen and ballpen with gold filled caps and barrels, converging lines pattern, pearlescent jewels, fountain pen with fine 14 kt gold nib, aerometric filler, breather hole on the barrel end, the ball pen is cap actuated, mechanism completely in bronze. Parker 51 ballpens, and even more the Insignia are very scarce. Both mint, unused, in original box #835 set $USD 250

Parker 51 Custom, USA, navy grey aerometric with 16 Kt gold filled cap, parallel lines pattern, extrafine gold nib, aerometric filling. Common very slight difference of grey shade between section and barrel, a pair of very superficial marks on the cap, a line of brassing barely noticeable on the cap lip, no personalisations, a very nice condition. #28 $USD 120

Parker 51 Custom, USA, black aerometric with 12 Kt gold filled cap, converging lines pattern, extrafine gold nib, aerometric filling. No brassing or dings, excellent #37 $USD 120

Parker 51 Custom, Argentina, burgundy aerometric, gold filled cap, pearlescent jewel, gold fine nib, aerometric filling. Excellent conditions, no dings or brassing #691 $USD 110

Parker 51 Signet (prototype?) DJ fountain pen, Argentina, 1965. Gold filled cap, double black jewels, 14 Kt solid gold nib, fine point, aerometric filling. Mint, inked but not actually used, unique pen #1863 $USD 170

Parker 51 Custom Argentina, c. 1960, trio set of fountain pen, mechanical pencil and ballpen in executive black with gold filled caps, converging lines pattern, fountain pen with fine gold nib, breather hole on the barrel end, the mechanical pencil uses 0,9 mm and is twist actuated, the ball pen is cap actuated. Fountain pen has been inked but has no signs of use, as the pencil and ballpen. Parker 51 mechanical pencils and ballpens are very scarce. #2587 $USD trio set 190, fountain pen only $USD 95

Parker 51 Custom set Argentina, c. 1958, grey with gold filled caps, converging lines pattern, fountain pen with fine gold nib, breather hole on the barrel end, the ball pen is cap actuated. Both mint. Parker 51 ballpens are very scarce. #2530 $USD 180

Parker 51 Custom fountain pen, USA, c. 1948, executive black aerometric, 12 Kt gold filled cap, convergent lines pattern, unique for years 1948-1949 chrome filler engraved “… to fill press ribbed bar firmly 6 times…”, fine gold nib. Free of brassing, dings or initials, excellent #863 $USD 110

Parker 51 Classic, Argentina, c. 1960, dark grape aerometric fountain pen, frosted lustraloy cap, pearlescent jewel, gold fine nib, breather hole on the barrel end. Excellent #2707 $USD 75