Ouch! $8.59 for a mini deck of cards? That seems a bit high, but maybe not for something so unique.

I carry a small deck of cards, but not nearly as small as the ones you're talking about. I have a 2-1/2 x 1-3/4 inch set of Hoyle cards from gofastandlight.com. They weigh 2oz. The price was $1.49.

http://www.gofastandlight.com/Miniature-Playing-Cards/productinfo/FU-P-O003/