Signese

haha

變更 should be 換零錢機 or 貨幣兌換機, it is unclear to me exactly what the machine really does

What makes you think it's a machine?

What it should say is 外汇.

What makes you think it's a machine?

I don't know, all the different cards listed I guess...

How do you know it isn't a machine? ;)

AmEx Travelers Cheques? Are there machines that can accept those?

[it's been literally decades since I used them, so this is a real question....]

Is at least one of these translations correct? The Russian word изменение at the bottom is definitely not.

It is an exchange shop. I don't think there was a machine in there, but I am not sure.

So the Russian is not right?

No, it cannot mean anything close to "exchange". You can click on the link above to see all its meanings.