Maximum Mintage: The total quantity of a coin that will ever be struck.
Unlimited Mintage: Relates to the completely unrestricted number of a coin that can be struck.
Declared Mintage: Is the final production figure for a coin that has been closed-off before its Maximum Mintage is reached; or the final production figure for a Mint-to-Order coin or an Unlimited Mintage coin.
Mint-to-Order: Relates to a coin which is minted in unlimited quantities within a stipulated period of time (eg 12 months from release). The total number of Mint-to-Order coins made in response to demand is declared after the manufacturing period has ended.
http://www.perthmintbullion.com/au/Our-Bullion-Products/Mintage-Policy.aspx
Unlimited Mintage: Relates to the completely unrestricted number of a coin that can be struck.
Declared Mintage: Is the final production figure for a coin that has been closed-off before its Maximum Mintage is reached; or the final production figure for a Mint-to-Order coin or an Unlimited Mintage coin.
Mint-to-Order: Relates to a coin which is minted in unlimited quantities within a stipulated period of time (eg 12 months from release). The total number of Mint-to-Order coins made in response to demand is declared after the manufacturing period has ended.
http://www.perthmintbullion.com/au/Our-Bullion-Products/Mintage-Policy.aspx