Brass Telescope/spyglass. No manufacturer showing. Only stamped numbers/letters and symbols - photo attached. If photo is not clear the markings are as follows:
an arrow pointing up, below that is M.1663, below that is SIG. may be SIC. but looks more like a G
All brass, leather casing is in pretty rough shape with a cap for each end. You can see discoloration in leather of the body where there were loops for straps. Loop still on one of the caps.
If you unscrew the eye piece there is another arrow stamped - this is the only other marking.
Glass is all in good shape.
I have been carrying this around since I found it in a storage unit about 22 years ago. Have never found anyone that can tell me anything about the markings. Would love to know its history.
