Prototype Diana 72

Prototype Diana 72 

With thanks to Steve.

The owner says:

Diana Model 72 (prototype) .177 rifled – No Serial number                                  

               It is marked MOD 6 – It is the only [Giss] gun made with  

               A safety – Handmade at the factory – The gun has a  

               Lot of prototype parts – Dated 06 88