Is this stamp coin silver?

[Morgman]

I’m wondering if this coin silver or just a number? Thanks for your time!

 

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[HistoryTeacher]

To my knowledge (which is limited) Smith and Rogers made silver-plated products. I am guessing that number is a style number or catalog number.

 

[zombieraccoon]

Silver plated, 90 is pattern number. mark dates it to 1862-1877