The Lamy CP1 is a slim metal design, 9.5mm in diameter. CP stands for cylindrical pen and is the second oldest still existing writing line of Lamy. The pen was designed by Gerd A. Müller, also designer of the Lamy 2000, in 1974.
Lamy is an independent family-owned enterprise which was established in 1930 by , former Parker employee, C. Josef Lamy in Heidelberg. The Lamy brand has existed since 1952 and proved its innovative prowess in the very first year with the completely novel Lamy 27 fountain pen series. And in 1966 the distinctive style of Lamy Design was born with the Lamy 2000.