Another example of the sort of inexpensive pen Eclipse in its Canadian form was best known for. This is a later example, given the sort of plastic it’s made from.
Production Run: c. 1940 - c. 1960; a very approximate range, as there is little to be found on the matter. If you have a catalogue or price-list with any sense of actual dates on it, I’d be delighted to hear from you.
Size: 13.4 cm long capped, 15.5 cm posted, 12.1 cm uncapped.
Point: Plated steel.
Filler: Button, capacity approximately 0.7 ml.
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.