Great Britain 1966 4d British birds (Ordinary) error, SG696ag South West Africa stamps Only 20 strips existed

Only 20 strips existed

Great Britain 1974 3½p Christmas error

MULREADY R

but an attractive positional multiple showing HPF38a

plus lower left examples from plates 6 and 11)

Great Britain 1966 4d British birds (Ordinary) error, SG696ag South West Africa stamps Only 20 strips existedGreat Britain 1966 4d British birds (Ordinary) error, SG696ag. A superb unmounted mint left hand marginal block of four, with full original gum. The error with bright blue omitted affecting Black headed Gull (water) & Blue Tit. Offered with normal block for comparison and presentation. A scarce Queen Elizabeth II stamp error of missing colour. Pierron records only 40 mint blocks in existence. ALERT ME WHEN ANOTHER IS AVAILABLE > SELL ONE OF THESE >