For six years or so this was just the regular green with white edge, but starting last year it took on golden borders:

Probably but there are so many lookalikes, it is hard to know for sure. Is this yours? If it is, where did you get it? They may know. If not, could you ask the person it does belong to?

Yes, it's mine but I just bought it from one of those bulk sites that sell hostas by the dozen without any proper name years ago. The largest is nearly 3 feet wide now.

I think there is a hosta forum here. You could try asking there, too.