For sale - two different varieties of Harvery's Council Bluffs IA used room keys as pictured below. Both keys for $5.00 postpaid in the U.S. (add 50 cents for international shipping).

In case you can't make out the manufacturer markings in the scan, they are:

-CPICA 26333
-CPICA 25166

If you're interested, hang a sign and I'll contact you with payment information. Thanks! Jim