Help with EK2 maker

[Gregory1]

Good day everyone. Purchased this guy today, noticed it was marked with a four but once I got home and put the first number under the magnify glass....I cant make out the first number. Wondering if anyone can help me out. Thanks a bunch -Greg

http://imgur.com/a/MnROG
http://imgur.com/a/0TMZw

[Dansson]

It's a 24.

[Douglas 5]

A wide frame 24 .

Douglas

[Gregory1]

Thank you, Thank you -Greg