Here is a little puzzle. I am posting it here for lack of somewhere more appropriate.
It is a M1907 sling which someone shortened, presumably to fit a target rifle. Chunky brass hooks, and aluminium rivets, so presumably post-war manufacture.

The puzzle is the manufacturers stamp.
It appears to be a monogram of the letters "O", "M" and "theta".




There is no doubt that it is a "theta", not an 8 or a rounded/closed-up B or E.



So is this a Greek-made sling, or did some non-Greek manufacturer use the letter "theta"?

Any ideas will be welcome!
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