| CCSTID | STMS4956S |
| Brand | Mamiya |
| Sub | |
| Model | Six I |
| AKA | Two viewers |
| Factory Ref. | |
| Introduced | 1940 |
| Estimated price US$ | 80 |
| Other name | Mamiya-OP K.K |
| Type – see definitions | Klapp |
| Format | 120 |
| Country | Japan |
| Transactions sampled | 15 |
| Last upload | 05-Aug-26 |
| Art | FALSE |
The estimated value presented above is an average of 15 transactions recorded over the past years. This should be taken as guidance only, as a value of a specific camera can be over or under the value suggested here and further depends on the seller and buyer’s eagerness. 
Mamiya Six I Klapp 1940 Japan Two viewers
