According to Pelikan’s Perch, both bulb filler and piston filler model were produced until their discontinuation in 1945⁽¹⁾.
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Piston filler Rappen was available at first in countries like Netherlands and Argentina. In 1939, the model was introduced in England by L & C Hardtmuth company, well known for its Koh-i-Noor brand (Pelikan Schreibgeräte, Pelikan’s Perch). It is referred to as "Rappen Black" in Pelikan-collectibles, presumably because the body was painted black from inside, sparing ink view window (Fig.1). Later, the model should have one piece (grip section plus barrel) injection body as wartime Pelikan 100 did.
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Note;⁽¹⁾As of 1945, Rappen was no longer mentioned in any price lists, suggesting that the model was discontinued in 1945 or earlier.