Nib: Parker 14k Canada No.3, Medium Flexible
Parker Challenger c1941 Button-filler, Black Celluloid, Tapered clip G/F trim . Made in U.S.A
1934-1941 The Challenger was a school pen that was first introduced in the february 1934 Parkergram, during the Vacumatic era. It was a button filler and was made out of the same plastic as the early marbled Vacumatics.
1937 the complete Challenger series was redesigned. The Standard and DeLuxe pens got a tapered clip with the imprint "Parker" on it,