Mentor Goltz & Breutmann Klein-Mentor
The Klein-Mentor is a German-made camera produced by Goltz & Breutmann of Dresden, the maker known for the Mentor line of plate and roll-film cameras. As a pre-war German product from a Dresden manufacturer, it sits in the collector category of early 20th-century continental European cameras rather than among general-use models.
Documented UK auction activity for the Klein-Mentor is thin: a single tracked hammer result of £480 in 2014 represents the only reference point in our records, so a meaningful range or median cannot be quoted today. Because that figure is a saleroom hammer price (wholesale, before commission), what a Klein-Mentor is worth at retail through a specialist dealer would typically sit higher, and the value of any individual example is highly condition-sensitive.
Sales History
Prices shown are UK auction hammer results — the wholesale level achieved in the saleroom. Neither buyer’s nor seller’s commission is included. Dealer and retail asking prices are typically higher.
Prices updated: March 2014
| Date | Price | Source | |
|---|---|---|---|
| Mar 2014 | EUR 480 | Leitz Auction | |
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Auction: Leitz Auction 25 (Lot AI_25_30056) Title: Mentor Klein-Mentor
Description:
9x9cm, in near mint original condition, focal plane shutter (working but not accurate and dry) for speeds up to 1/1300, Tessar 4.5/13.5cm no.146222 in helicoid focusing mount (cap), 6 original film cassettes in case, double plate film holder Estimate: EUR 400 - EUR 500 |
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Frequently asked questions
What is a Klein-Mentor worth today?
Evidence is limited to a single UK auction hammer price of £480, so a reliable current value cannot be stated; condition, completeness and the presence of original accessories will drive what any specific example sells for.
How much does a Klein-Mentor sell for at auction?
The only tracked UK saleroom result in our data is £480, achieved in 2014; without further comparable sales, that figure should be treated as indicative rather than a market price.
Is the Klein-Mentor a rare camera?
Public auction appearances are infrequent, which is why pricing references are sparse and value tends to be set on a case-by-case basis between buyer and seller.