What is this swiss-cheese/meteroite-looking pendant made out of?

[UnknownTreasures]

I bought a huge lot of random antiques at an auction not too long ago, and found this necklace in it. Not sure what it's made out of. Looks like it has silver and gold, or fools-gold maybe. I'm not sure if it's supposed to look like a Moral mushroom or what.

Anyone have any ideas?

 

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[taz42o]

I think it was gold plated, made to look like a gold nugget.

You are seeing morels already? spring is a long time off.
I hope they all look like this, next year...

 

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