This first image is of an A6M2-N Rufe, the seaplane version of the Zero.
This aircraft was flown by Lt. (J.G.) Keizo Yamazaki of the 802nd Naval Air Group, based at Shortland Island, February 1943.
The 3 'hatchet' victory markings were allocated to the aircraft, signifying successes by several different pilots.
A6M2 Model 21 Zero.
X-183 flown by Petty Officer Second Class (PO2c) Yoshiro Hashiguchi, 3rd Air Group, Bali, Dutch East Indies Feb.1942.
This Zero was also flown by other pilots, so the 11 victory markings are again the successes of more than one pilot.
Hashiguchi was Killed in action at the battle of Leyte Gulf in Oct.1944, having scored 10+ personal victories.