The "Dodo-Postcards" watermark is NOT on the actual card – it is an online watermark only.
SRN6 Hovercraft. No PT22746. 1968
SRN6 Hovercraft. 1971
SRN6 Hovercraft. PT22746
SRN6 Hovercraft. PT22746. Post Card. 1968
SRN6 Hovercraft. PT22771
SRN6. Hovercraft. 1972
SRN6 Hovercraft. Printed in Great Britain
