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Streamlined - 1929-1933 - Junior. These pens are almost always toned to a Black & Amber. The toning is most obvious on the barrel but can also be on the cap. The color change is caused from a reaction to the ink sac and sometimes from the ink its self. This pen is near perfect and came with price stickers. This color is found on both straight and streamlined pens. The nibs are frequently marked Deluxe.