I want to know what is this silver item?

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Hi, I just found this silver item and I have no idea of what it is.

Can anyone tell me any information about it?

It measures 6 1/4" x 6 1/4"

Weight 185 grams.

You can see more pictures in the following link

facebook.com/media/set/?set … 147&type=1

Thanks

Heberto[/size]
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