The tarnishing on the sides is characteristic of EPNS.
The eagles look like cast iron. The fender is most likely brass. Most of the ones I've seen are brass. If you polish that up, it'll look incredible.
This is a VERY old pen. It's 80 or 90 years at least. Inside is a rubber ink-sac, a J-shaped pressure-bar and the lever that presses on the bar...
Don't throw it out. Pens can be re-tipped. There's not many people who do it, but it can be done. And tipping lasts for DECADES. Once it's done,...
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