Some kind of a hook or a tool.

[kadari]

Made of bronze. Found in Estonia. Looks pretty old to me.
Coin is exactly 1 inch.

kadari

 

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[dg39]

Wow, you have an early item there, but I wonder what the protrusion is in the middle? Could it be a piece of jewelry? Some type of dress or toga pin?

DG

 

[CRUSADER]

Looks Iron Age, I would say 100BC. But not sure exactly what it is.

 

[DCMatt]

Possibly a sleying hook - a tool used when weaving designs into hand woven fabric.

Just a guess...

DCMatt

 

[Rubicon]

Fishing net repairing needle?

 

[artemis moon]

can you show us a photo of the top part of the hook? I'm curious if there's a hole on the top or if it's solid or if it looks like it's broken off of a bigger whatsit. I agree, it does look very early. I really need to read up on the history of Latvia and Estonia because I have no idea who was there before the Latvians and Estonians

 

[QUICKSILVER (appletree)]

How about a really old fishing hook just a guess.

 

[jscorpio]

Similar

http://images.search.yahoo.com/sear...eg&no=95&tt=500&oid=5fcd089c99481e9c&ei=UTF-8

 

[geo4472]

jscorpio is right it is a tent hook