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Creata pagina con 'In addition to black hard rubber Dunn produced also bakelite pens with a transparent barrel (though most of the transparent models were later made in celluloid). Are also ...'

In addition to black hard rubber [[Dunn]] produced also bakelite pens with a transparent barrel (though most of the transparent models were later made in celluloid). Are also known to exists, but to be very rare, some metal [[overlay]] pens.