I have been able to acquire a limited number of coaster sets put out by Anchor Brewing Co., San Francisco. Perfect for your card room. They measure 4" by 4".A set of nine(9)available for only $8.50 postpaid. Paypal welcome. First come first served. When they run out they will be gone forever.One set per collector. Email to jacklitsch@comcast.netThanks.