2 semi-automatic guns, 37 rounds found at garbage treatment plant

A worker at a garbage processing plant in Aizuwakamatsu, Fukushima Prefecture, found two semi-automatic guns and 37 rounds of ammunition on Tuesday. Police suspect the firearms’ owner found proper disposal of the weapons difficult...police are continuing to investigate the origin of the guns, ownership of which is illegal under the Japanese swords and firearms control law...
---Full story at Japan today---
Only in a country that bans firearms ownership is this a "major story". No real info on the firearms, and 37 rounds is a laughably paltry amount of ammunition. No real info on these arms are given. For all we know, this could have been old World War 2 era Nambu pistols that should be in a museum but for the paranoid Japanese gun laws ended up in the garbage instead...(S9)