MB, NT, NU, BC, 13% for ON, NB, and NF, and 15% for NS. 999 fineness, or for US or international orders. The item "Great Britain George V 1929 Postal Union Congress London £1 Black Used BL1276" is in sale since Tuesday, December 05, 2017.This item is in the category "Stamps\Great Britain\George V". The seller is "eastcoastcoinsnl" and is located in Torbay, Newfoundland And Labrador. This item can be shipped worldwide.