 After a long wait by both collectors and investors, the "uncirculated" version of the American Buffalo gold piece was made available to coin dealers on June 20, 2006.Collectors who wanted to purchase the "proof" version from the mint were given the opportunity to place their orders with the mint beginning on July 22.The 2006 proof quality coin has a strict mintage limit of 300,000, with an additional enforced limit of only ten (10) coins per household.