Five soldiers loading a cannon.  
Inscribed on the reverse 'Artillery
Infantry 2nd Regiment, Discharge
Inscribed 'Shanghai Incident,
Victorious Return Commemorative'.
More soldier items
Rare soldier cup from the Russo-Japan War or earlier.
Inscribed 'Entry to Port Arthur'.
Inscribed 'Field Artillery 4th Regiment'.
Scarce hand-painted soldiers on horseback. These are probably Meiji-era
Inscribed  'Cavalry 10th Regiment, Tanaka, Holder of the 8th Class (Rising
Sun Medal)'.
Lacquered wood cup with marching soldiers in gold gilt.
Inscribed on the reverse 'Showa 10 [1935]' but it looks like this date
hasn't been completed (i.e. it's not completely filled in).