Home / Stamps / Australia & Territories / George V / 6d Kingsford Smith 6d Kingsford SmithPrice: $5.00 1931 6d Kingsford Smith’s Flights. SG 123 Mint Unhinged 1 in stock Add to cart SKU: 100039 Categories: George V, Stamps Specifications Value Appraisal Product Features Additional Products Centenary of Western Australia $1.00 BUY NOW 6d Kookaburra $30.00 BUY NOW Opening of Parliament House $0.50 BUY NOW 49th Anniversary Declaration $9.00 BUY NOW