Antique optical instrument - similar to a telescope - display only

Antique optical instrument - similar to a telescope - display only. No maker's mark apparent. Size: length: 10.75 inches. Weight: 632g (allow 1 kg once packed). Condition commensurate with age and use - various superficial marks & scratches, dings & dents, and not working so suitable as a display item only - ie ideal film or theatre prop. Priced accordingly.