Home / Stamps / Australia & Territories / Elizabeth II Decimal / Signs of the Time Signs of the TimePrice: $4.50 2015 Signs of the Time. SG 4419/21. Mint Unhinged Out of stock SKU: 101113 Categories: Elizabeth II Decimal, Stamps Specifications Value Appraisal Product Features Additional Products Centenary of Western Australia $1.50 BUY NOW Opening of Parliament House $0.50 BUY NOW PNG 1952 3½d carmine red Papuan Head-dress $5.00 BUY NOW New Hebrides 1966 20th Anniversary of U.N.E.S.C.O. SG 122/4 Mint Unhinged $1.00 BUY NOW