Home / Stamps / Australia & Territories / Elizabeth II Decimal / Earth Hour Earth HourPrice: $4.50 2009 Earth Hour. SG 3153/5. Mint Unhinged Quantity Add to cart SKU: 100919 Categories: Elizabeth II Decimal, Stamps Specifications Value Appraisal Product Features Additional Products British Solomon Is 1949 Royal Silver Wedding SG 75/6 Mint Unhinged $8.00 BUY NOW Tristan da Cunha 2008 90th Anniversary end of WW I m/sheet SG ms931 MUH $3.00 BUY NOW 3d Kookaburra $8.00 BUY NOW 49th Anniversary Declaration $9.00 BUY NOW