The good news is:  I’ve found a grocery store that sells cheese “ends,” so you can taste fancy cheeses without having to buy a whole one.  So that’s excellent.  Last weekend I bought several and took them home.  I was suspicious of this one:

So I googled it.  It turns out “English Glouster” is not a thing.  There is a cheese called “English Gloucester,” but it looks nothing at all like this wedge looked.  After much research, I determined that the (delightful) cheese I’d just eaten was, in fact, a Stilton with lemon rind.  Mmm-mmm.  But seriously:  no clue what was up with the label-maker.