Maker: Wearever.
The Zenith, from the high-time of Wearever, is a step down from the Pacemaker despite the name suggestive of greatness. This downward step is mainly one of the company’s invention. The Zenith has less festive plastics, and a different filler, but is essentially the same shape as the Pacemaker. It also has the same point as the Pacemaker, which is good, and the “C-Flow” feed, which is not.
Production Run: 1944 – 1950.
Cost When New: $1.95 (for modern value, try this calculator).
Size: 13.1 cm long capped, 15.9 cm posted, 11.8 cm uncapped.
Point: 14k gold.
Body: Plastic.
Filler: Lever , capacity approx. 1.0 ml

The wretched C-Flow feed – there is a little ink left in it so you can see the deeper twin channels that barely manage to supply the point with ink
If you are relying on the preceding information to win a bet or impress a teacher, you should read the site’s scholarly caveat. Remember, this is the internet, and it’s full of bad information.