Beautiful but Hard to change the light bulbs

I really like these lights but we can’t figure out the lightbulb needed! I’ve never seen it before and my hardware store doesn’t recognize it either. Any advice/help. So if it is this difficult to get a lightbulb for this light then that’s a problem. I saw it takes a standard base bulb E12 /E14 but I also saw E26/E27...these do NOT fit. Please help!!!