Hello, this is a link to the suitcase I purchased to convert to a card holder. I cut the foam core boards which I purchased from staples. Total cost is only about $45. I thought the world map had a nice 20's theme and the brass accents almost feels steampunk.
www.amazon.com/Quickway-Imports-QI003030-World-Suitcase/dp/B003YCJ9JO/ref=sr_1_1
