Keystone Eye-Testing Set — auction comparables · Snaplot Comparables
We searched for“Keystone View Company eye testing set Telebinocular”(identified as Keystone View Company, confidence: High)
Typical realised range (Gemini estimate): £150-£400
Comparables
10
Median
£499
Suggested estimate
£200 – £750
25–75% range
£196 – £1,131
Overall range
£15 – £42,000
Distribution
Median from 10 sold (all-time — too few recent sales)·hammer prices, excl. buyer's premium — fair-market auction value (retail/insurance replacement runs higher)·few sales — treat as indicative
81 comparables for “Keystone Eye-Testing Set” · page 15 of 4