Home / Stamps / Australia & Territories / Elizabeth II Decimal / G20 Leaders Summit, Brisbane G20 Leaders Summit, BrisbanePrice: $1.00 2014 G20 Leaders Summit, Brisbane. SG 4184. Mint Unhinged Out of stock SKU: 101066 Categories: Elizabeth II Decimal, Stamps Specifications Value Appraisal Product Features Additional Products Opening of Parliament House $0.50 BUY NOW PNG 1952 3½d carmine red Papuan Head-dress $5.00 BUY NOW National Stamp Exhibition, Melbourne $6.00 BUY NOW Centenary of Western Australia $1.00 BUY NOW