Pre war P08 Luger holster unit marked Hafenschutz-Flottille Hoek van Holland

Pre war P08 Luger holster in good used condition. The holster is maker marked and dated 1938. Inside the holster is named to a Uffz and marked imo 11692 indicating the following units
(1.2.1941-11.7.1941) Hafenkapitan Hoek van Holland
dann Hafenkommandant Hoek van Holland
(25.1.1943-31.7.1943) unti marked
(24.3.1944-6.11.1944) 15.4.1944 Hafenkommandant u.
Hafenschutz-Flottille Hoek van Holland.