Some kind of pin or medal?

[TreasurdiggrNY]

Thanks for looking Found this neat item that I actually thought was an old zipper pull, it was crusted with dirt and the only detail was the two prongs on the reverse. I rinsed it with soapy water and the details you see in the photo emerged. I have no clue what it is or was used for but it was found at a site that had Rev. War action.

 

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[Breezie]

The symbol looks like St. Andrew's Cross, which is in the papacy's coat of arms. The 2 keys represent the 2 keys to get into Heaven held by St. Peter. Very interesting Breezie

 

[GpSnoopy]

Looks like crossed keys under a crown? One symbol that comes to mind is the Keys of St. Peter. Oops, Breezie posted while I was "googling" pictures.

 

[GpSnoopy]

Crossed Keys is also the insignia of the British Army's 2nd Division. Still looking to see if any crowns were incorporated into their badges.
http://www.army.mod.uk/structure/14190.aspx

The use of the royal crown is interesting. I saw this picture referencing the Coat of Arms of the See of York

 

[TreasurdiggrNY]

Thanks very much Breezie and GpSnoopy. I'm just as happy with it being a Vatican souvenir as I am with it being a British Army 2nd Div. badge/pin. Thanks for the help