Hopefully I won't upset anyone for outing this one. I do have a bid in.
https://www.hugginsandscott.com/cgi-...l?itemid=93476
"A hint of paper pulling is barely detectable on one letter of the "Different" advertising text. Otherwise, the coveted brand backing is crisp and instantly attractive."
It is actually an erasure mark and I would think should be Auth(??)
A few other examples
