Great Britain 1951 KG6 Fest of Britain 2.5d fine mounted mint cyl block of 6 (5 dot) with variety R19/1 spot on staff, R20/1 break in staff & R20/2 distorted 2
Great Britain 1951 KG6 Fest of Britain 2.5d fine mounted mint cyl block of 6 (5 dot) with variety R19/1 spot on staff, R20/1 break in staff & R20/2 distorted 2