Key?

[Garabaldi]

Any ideas?

 

[NaturalJWL]

The square hole reminds me of a water key for commercial building outside spigots.

 

[Two Dogs]

Old roller skate key

 

[romeo-1]

Clock winding key.

 

[Kenosha Kid]

Clock winding key.

Could have been a clock wind-up:

http://cgi.ebay.com/Lot-4-Vintage-w...248?pt=LH_DefaultDomain_0&hash=item2c59b117f0

http://compare.ebay.com/like/200557...fb45bb7&itemid=200557987829&ff4=263602_304662

or, a gas valve key:

http://www.blackmarketantiques.com/....html?osCsid=d7096f68b7241307dcb9337d9509d064

 

[Tony in SC]

Clock winding key.

Clock key. I have an old clock with a key like that. Tony

 

[Garabaldi]

I also believe it s a clock key, but warn down. Thanks all.