Did a little un-scientific investigating. Right now, I'm wishing I had a paper thickness gauge, but I don't. However, I do have a cheap digital caliper, so I thought I'd give it a try. Measuring the Unitas and another random card (Bill Pellington was handy) in several places around the card, the Unitas averaged .34mm (about .013") and the Pellington averaged .46mm (about .018"). that seems like a significant difference to me, but maybe I'm just being hypercritical and trying to find an excuse to buy another Unitas.
