Be wary if you decide to stock up. When California made 100W. bulbs illegal to sell a couple of years ago I went on-line and found a supplier for the 100W. globe bulbs our fixtures are designed for.
What I received are marked 100W. but they don’t put out nearly as many lumens of light as the ones I’d been using (1,600 lumens.) They’re roughly equivalent to 60W. bulbs (800 lumens.)
Yeah there are a lot of crappy incandescent bulbs out there today.
Yes.
I have run into some discrepancies with labeling such as you describe.
Let me guess. The voltage wasn't marked, or it was something like 140V.