English, early 20th century, set containing Spherical concave, cylinder concave, spherical convex, cylinder convex ( mostly complete) in blue velvet lined case with compartment in lid for eye test cards, case width 32cm
Estimated at £60 - £80
English, early 20th century, set containing Spherical concave, cylinder concave, spherical convex, cylinder convex ( mostly complete) in blue velvet lined case with compartment in lid for eye test cards, case width 32cm
Auction: The Collectors Sale, 9th Aug, 2022