The small fountain pen shop "W.A, Sheaffer pen company" founded in 1913 developed to the high quality writing implements maker which represented the United States taking advantage of the innovative lever filling-style patent acquisition.
The white dot mark that was taken in the upper clip. This mark came to be put for all products with what founder Schafer ranked as proof of the quality pass in 1924.
Sheaffer was used habitually by the successive Presidents of the United States and played an active part as writing implements for important signatures including an international conference and the summit meeting. Schafer who continued challenging state-of-the-art all through the ages took a big role as not only the history of writing implements but also a scorekeeper of the world history.
It is Sheaffer, a spare eraser for the centimeter flannel series. Entering 6 コ.