Let me add Gebrder Oette Hamburg to the list of Franz Jger retail outlets. This example was sourced from ZM and looks to have a long water table.






Proof date of Oct. 1910 but remember the ZM proof rule change date is given as Sept. 1st, 1911 but sporting weapons were experiencing the modified proof earlier as well as post 1911 examples wear pre-1911 stamps.



Kind Regards,

Raimey
rse