Two mystery items

[payload77]

Found these two in the same place as other Civ stuff, such as a Union spur and a NY officer cuff button. Some detector enthusiast friends of mine think the one is a Malcolm sight, as I thought it was a rifle's ladder sight. There are a couple of faint lines on it. The other has baffled all of us. I thought it was a sight too, with the number 200 indicating the yards it was sighted for. It doesn't look modern, since there are hallmarks on it. Need some input here. Thanks for looking!

 

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[against the wind]

Want a strange thought??
Without any kind of scale to comprehend it's size,,
I immediately thought it looked like a holder for napkins. lol

 

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[jeff of pa]

Might it say 20 C instead of 200? ...not that it helps me think of what it is.

 

[payload77]

It does look like it says 20C, but the C is a zero that scaled over, much like the first zero's scaled over at the bottom. I looked at it thru a microscope, and you can see the outline of the whole zero, both of them. As far as scale, I posted that it was an inch high, 3/4 of an inch square.