Hi, my name is*****'m a certified appraiser, and I'd be happy to help.
This is a hand-colored engraving printed Georg Balthasar Probst, from the late 18th century. It's in a Vue d'optique format. Here's an interesting article on that format, and Probst:
The value of this one would be around $250-$300 in its current condition. Here's another example from this set:
Please let me know if I can help further.
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