1941—ca 1966
HISTORY

Three beautiful Parker Victory, MK I, ca 1941. Note the cap on the bottom pen.
Now, in 1941, Parker negotiated sharing the Valentine factory with it's facilities and machines for the duration of the war. It was of course convenient, as well as profitable, for Valentine to produce pens that was very similar to the Parker Duofolds. The same workers were now making both Valentine and Parker pens. Still in the beginning most parts were manufactured in Toronto, but gradually Newhaven took over the European market.
The very first Parker model that was solely made in Newhaven was the Parker Victory. It too shared many features with both the Valentines and the streamlined Duofolds, including colour schemes and plastics. For obvious reasons it was now hard to find plastics to match the US production, so during this period many Duofolds and Victories were made in colours not found elsewhere, making them very collectible.
When the war ended in 1945, Parker bought the Valentine company, lock, stock and barrels, but continued to produce Valentine pens until 1947 or 1948. The name Valentine also remained on the workers wage packets until as late as 1957.
ValentinesThey were imprinted "THE VALENTINE PEN CO LTD, Made in England" and the solid gold nibs were engraved "VALENTINE, 14ct, 1st Quality".
Among other Valentine colours offered were:
Light and dark burgundy pearl and black
Lined green silver and burgundy
Lined cream silver and brown
Lined rose silver and burgundy
The Victory was sold as a Parker sub-brand and evolved in five different generations:

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The MK I (1941- 1946) 130 mm. had a Parker ball ended clip, a streamlined Duofold style black cap screw and blind cap. They were offered either with a single, thin, rolled gold cap band or without a cap band. Among other Victory MK I colours offered were:
Black
Black and pearl
Gold pearl
Gold pearl and black marble
Blue pearl and black marble
Light and dark burgundy pearl and black
Striped silver pink and black
Lined (striated) green silver and burgundy
Lined (striated) cream silver and brown
Lined (striated) rose silver and burgundy
There were also some Duofold Seniors produced with a Victory/Valentine style single, thin cap band. Furthermore the material shortages led Parker/Valentine to ship pens with different coloured bodies and caps, but the demand was so high that they sold regardlessly.
From 1945 and on the text "MADE IN ENGLAND" was added to the imprints.
The MK II (1946-1947) also had a Parker ball ended washer clip, but it was even more streamlined, giving a more slender appearance. Also the Victory MK II blind caps and clip screws were now of the same colour as the rest of the pen. Most significant the cap now sported two rolled gold cap rings. The striated and marble designs were discontinued and replaced by five solid colours:
Black
Grey
Dark Green
Dark Blue
Burgundy
The MK III (1947-1948) had a much shorter clip screw, and a longer blind cap, almost 15mm. The cap still had two bands and the pen still had the Parker ball ended washer clip. The colours stayed the same.
Black
Grey
Dark Green
Dark Blue
Burgundy

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The MK IV (1948-1952) 130 mm. was even more streamlined again and featured a new tapered Parker clip in the style of the later Challenger and Parker "VS" designs. The cap had two capbands. It was very similar to the Danish Parker Popular. The model was fitted with an aluminium button filler.
Black
Grey
Dark Green
Dark Blue
Burgundy
MK V (1953- mid 1960's) 132 mm. The complete Parker UK line was revamped in 1953 when the new aerometric filling system, developed for the fabulous Parker "51", was fitted to the whole line of Duofold pens in the UK. There were several models available. The Victory now became identical in all aspects, save the imprint, with the Student. The two cap rings were removed in favour of a thin cap band engraved with chevrons. The colour grey was discontinued but the MK V was also manufactured in Denmark well into the 1960's. adding the colour Terracotta and possibly Apple green.
Black
Dark Green
Dark Blue
Burgundy
The Victories are naturally very collectible. Especially the early pens from the 1940's in vibrant and uncommon colours. These have especially attracted the eye of the collectors of the early Duofolds, being a sort of extension of the model.
The Victories sold in vast numbers, so the rarity can be debated, but they are of course much harder to come by in the US, since they were made for the European market.
Traditionally the most colourful of the Parker pens have been thrift time or low quality pens, but in the Victory and Valentine models collectors will find sturdy and well made pens with solid gold nibs . The later plastics does however have a tendency to discolour if left for a long time in direct sunlight and being somewhat prone to developing dull finishes, due to the polystyrene plastic being softer than both celluloid and acrylic.

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