The "Dodo-Postcards" watermark is NOT on the actual card – it is an online watermark only.
SRN6 Hovercraft. PT22746
SRN6 Hovercraft. PT22746. Post Card. 1968
SRN6 Hovercraft. No PT22746. 1968
SRN6 Hovercraft. Printed in Great Britain
SRN6. Hovercraft. Printed in Great Britain
SRN6 Hovercraft. Photo Precision. St. Ives. Huntingdon. Colourmaster International
SRN6 Hovercraft. 1971
