For an extra 5% saving please try. Watch out for other codes like 10% off that appear regularly. Brand New Mint Full Gum Australia Post Stamps. To current stamps bought at the Post Office. The item "$5 $10 $20 High Value Australia Postage Stamps Mint Full Gum Face Value $330" is in sale since Friday, November 9, 2018.This item is in the category "Business\Postage Stamps". The seller is "profar" and is located in wheelers hill, Victoria. This item can be shipped worldwide.