Home / Stamps / Great Britain / Elizabeth II Pre-decimal / International Geopraphical Congress. Phosphor Bands International Geopraphical Congress. Phosphor BandsPrice: $20.00 1964 International Geopraphical Congress. Phosphor Bands. SG 651p/4p. Mint Unhinged Quantity Add to cart SKU: 100696 Categories: Elizabeth II Pre-decimal, Stamps Specifications Value Appraisal Product Features Additional Products 3d Kookaburra $8.00 BUY NOW Opening of Parliament House $0.50 BUY NOW Sturt Centenary $2.00 BUY NOW National Stamp Exhibition, Melbourne $6.00 BUY NOW