Hi,wishing all members a good 2015.

John, this is what I have got:

Model 49 transitional date 8-53 no serial number
Model 49a date 10-52 #025695 on RHS and #N10016 on LHS
Model 49a date 6-53 no serial number
Model 49a date 8-57 #MD09239
Model 310 no date #213603
Model 310 no date #332518
Model 310 Sport no date #890554

In his book : Luftgewehre und Luftpistolen nach 1945 aus Suhl und Zella-Mehlis: written by Ernst G. Dieter,
he states the model 49a was made from 1949/50 untill 1967/68.

--------------------------
Frank