Imperial Japanese Navy Special Naval Landing Forces
Shanghai, Tarawa, kiska, Wake Island, Guam, Tulagi, Guadalcanal, New Georgia, Bougainville, Rabaul, Truk, Kwajalein, Roi Namur, Eniwetok, Majuro, Ponape, Nauru, Taroa, Satawan, kosrae, Wotje, Mili, Christmas Island, Peleliu, Palau, Davao, Cebu, Manila Philippines, Tinian, Saipan, Iwo Jima and Okinawa.
The oval white plastic one is a worker’s “gate pass” for the “Kusugaura gate” of the Yokosuka Naval Yard.
Here is my example from My WWII IJN collection.