Parker Jr Duofold, c. 1928, USA, junior size, flat top, lapis lazuli permanita, two cap bands, barrel imprint: Geo S. Parker Duofold made in USA, solid gold  Parker Duofold Pem Pnib, medium point, nice iridium. Button filling. Length capped 11,5 cm, posted 14,3 cm, diameter 13 mm. Excellent condition. #1383 $USD 180

Parker Jr Duofold, c. 1928, USA, junior size, flat top, lacquer red permanita, two cap bands, barrel imprint: Geo S. Parker Duofold made in USA, solid gold  Parker Duofold Pem Pnib, medium point, nice iridium. Button filling. Length capped 11,6 cm, posted 14,6 cm, diameter 13 mm. Excellent condition. #2280$USD 130

Parker vacumatic, USA, 1947, golden pearl laminated celluloid, excellent transparency, gold filled clip and cap bands, two ring cap bands, on the barrel crisp imprint "Geo Parker Parker Vacumatic Made in USA 7", 129 mm capped, pump filler, plastic plunger, solid gold Parker nib engraved Parker Canada and the arrow outline, excellent iridium, fine point. Excellent #2807 sold

Parker vacumatic set, USA,1942, golden pearl laminated celluloid, red transparency, gold plated clip and trims, on the pen barrel imprint “Geo Parker Parker vacumatic made in USA .2.”,  length capped 5”, pump filler, plastic plunger), gold Parker arrow Fine point nib. The pencil is twist actuated, barrel imprint “Geo Parker Parker made in USA .3.”  Both excellent. #1894 sold

For illustration: picture of different English Parker Duofold model sizes, from left to right:

Green Arrow, black Maxima, black  Senior, black AF double jewel, chocolate AF,  green demi Duofold, green Junior Duofold, blue Slimfold, Vacumatic Major (USA).

 

Parker Duofold NS, c. 1952, England, solid green celluloid, gold filled clip and broad cap band with chevron pattern, aerometric filler, medium point original nib imprint "Parker Duofold 14 Kt pen N" (the N from the Newhaven plant). Length capped 5", posted 5 6/8", diameter 1/2". Minimal plating wear on the edges of the arrow head, excellent. # 1276 sold

Parker "AF Duofold NS", England, c. 1954. The "AF" stands for "Aluminium Filler" and refers to the filler button, the aluminium variety which superseded the brass button type in 1948. In classic black, with gold filled chevron cap band, nib Parker Duofold 14K Pen N (N for Newhaven the site of the Parker manufacturing plant in England), the nib is broad, slighly oblique stub. The Duofold was the mainstay of the Duofold range and very popular as a big handsome pen with a traditional open nib and capable of excellent writing performance. On the barrel crisp imprint Parker Duofold Reg. T.M.Made in England. Lenght closed 5 1/8" / 130 mm. The button filler is in perfect condition and works fine. Excellent, no brassing, juicy nib.#1030 $USD 160

Parker Duofold NS, c. 1953, England, solid green celluloid, gold filled clip and broad cap band with chevron pattern, aerometric filler, medium fine point original nib imprint  "Parker 14 Kt 585 England 35" Length capped 5", posted 5 7/8", diameter 1/2". Minimal plating wear on the edges, upgraded nib size, excellent. # 1298 $USD 135

Parker Slimfold, England, c.1962, chancellery red, gold filled clip and band with Vs pattern, aerometric filling, sac with excellent transparency, original gold nib Parker 14 Kt England 5, flexible broadish medium point with very good iridium, on the barrel imprint Parker Slimfold made in England. Lenght closed 4 15/16”, posted 5 11/16”. Excellent #1486 $USD 70

Parker Slimfold, England, c.1962, imperial blue, gold filled clip and band with Vs pattern, aerometric filling, interesting solid gold nib 14 Kt Parker England, semiflex broad stub point with big iridium, on the barrel imprint Parker Slimfold Reg. T.M. made in England. Lenght closed 4 15/16”, posted 5”, 12,0 cm. Excellent #1114 $USD 80