The "Dodo-Postcards" watermark is NOT on the actual card – it is an online watermark only.
I. O. M. The Calf of Man from Spanish Head
The Calf of Man from Spanish Head. I. O. M. PT23173
I. o. M. The Calf of Man from Spanish Head
I. o. M. The Calf of Man from Spanish Head. 1976
Te Calf of Man from Spanish Head. I. O. M. Precision. Colourmaster International. PT23173. 1981
The Calf and Sound from Spanish Head. Isle of Man. John Ranscombe
Calf and Sound from Spanish Head. Isle of Man. Ranscombe Photographics. John Ranscombe. Plastichrome. Colourpicture Publishers