Here's my tag:
And here's a different one found in eBay:
The size/content tags are the same
The "by stefano ricci" one:
Woah, had no idea this was the consensus on the subject.
If a blazer had no size tag and measures 24" pit to pit, I would choose a size 46 from the drop box, and state in the body that it measures at a size 46, but to refer to exact measurements to ensure proper fitment. Am I screwing myself there if someone wants to open a case?