I picked this one up a week or so ago, it's a 10-Balboa commemorative from 1978 for the opening of the Panama Canal. This one is larger than a silver dollar and made of nickel (this one is uncirculated as the proofs were made of silver). I am asking $12 for this plus $2 shipping if anyone is interested. Please PM me or e-mail me at jtryka@yahoo.com. Thanks!