Great Britain 1966 4d British birds (Ordinary) error, SG696ae Autographs & Signatures Malta overprinted all their current

Malta overprinted all their current postage stamps and a new series of definitive postage stamps were designed and issued

matching lower left corner blocks of 6 (2x3) with 'W35' control and '47

A scarce specialised philatelic item of early GB postal history

London on January 6

Great Britain 1966 4d British birds (Ordinary) error, SG696ae Autographs & Signatures Malta overprinted all their currentGreat Britain 1966 4d British birds (Ordinary) error, SG696ae. A superb unmounted mint with full original gum left hand marginal block of four with red omitted affecting Black Headed Gull (beak and leg) & Robin (breast). In both cases the underlay colour greenish yellow is visible instead of red. Offered with an example of the normal block for comparison purposes. A scarce QEII error. Pierron records just 30 mint blocks. An exceptional value modern