When I lived in Japan I would always make sure to have a few of the old 500 yen coins when I would head out into the countryside on bike trips. They invariably

When I lived in Japan I would always make sure to have a few of the old 500 yen coins when I would head out into the countryside on bike trips. They invariably didn't take the new coin and getting stuck in the middle of nowhere with money and a machine that wouldn't take it sucked. And yes there really where vending machines at places that were super duper remote.