✅ SOLVED Help with a silversmiths mark

[WHADIFIND]

I was fortunate enough to dig my very first silver thimble.

There is a maker's mark stamped on the inside. I've tried to decipher and look up on the online encyclopedia of silver marks.
The trouble is that I don't know how to look this up. I'm not sure what the letters are. They appear to be in a monogram style, inside what looks like a shield. With U.S.A. stamped above it.

I don't have the best equipment for close up pics but here are the ones I could get:







If anyone is familiar with the mark or can help look up, I'd be most grateful.

Thanks in advance for any help.

"Bundle up, baby it's cold out there!"

 

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[jewelerguy]

Simons Brothers

 

[relic nut]

Congrats on the thimble. Cool find. [emoji106]

HH RN

 

[WHADIFIND]

Simons Brothers

Thank you kindly! My eyes aren't good enough anymore. I thought it was an L S.

Sure looks the one! From where I found it though it's not likely to be a current version. Probably one of the earliest.

Thanks again!