at 10 years I would expect the whole thing of aged gouda to be a crispy bit.....
Some of the English Cheddars...Montgomery have them in abundance.
I've got some 10 year cheddar from WI in my fridge....it's got crispies....Hooks from Mineral Point, WI....picked it up at Madison Farmer's Market. 10 year cheddar is pretty hard to find.
Some parmesans have it also.