The correspondence between the production history of each version of Tank No. IV and the subject model photographed is as follows Type A Oct. 1937- Type B December 1937 Type C Type D January 1938 Type E Type F1 April 1941- Writings in front of left/HengLong 1/16 Earliest trial modifications Subject front row, 2nd from left/HengLong 1/16 modified Type G (late Type F2) May 1942- Subject front row, 2nd from right / modified HengLong 1/16 Type H, April 1943 Type J, June 1944- Subject front right / TAMIYA 1/16 The production history of the main derivative armored fighting vehicles and the correspondence between the models photographed are as follows No. IV Assault Gun December 1943- Subject back row left/HengLong 1/16 modified Assault Gun No. IV, December 1943 - subject back row, second from left / BANDAI 1/15 Assault Gun IV December 1943 - subject back row, 3rd from left / BANDAI 1/15 modified Hummel 1943 - subject back row 4th from left / BANDAI 1/15 modified Hummel 1943 - subject back row 5th from left / BANDAI 1/15 Wirbelwind 1944- Subject middle right/HengLong 1/16 modified