Any idea what kind and how old key is?

[Garabaldi]

Any guesses to what this key may have gone to and how old it is?

 

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[Breezie]

Hey G, Your key is similar to one I have that fits the lock on an antique buffet. These types of keys fit key-hole locks in desk, secretaries, buffets, servers,etc. Here's 2 pics of mine. Neat find as usual Breezie

 

[Garabaldi]

Thanks Breezie Looks like you've been hunting also.