The "Dodo-Postcards" watermark is NOT on the actual card – it is an online watermark only.
Douglas. Isle of Man. Tower of Refuge. N. P. O. Belfast. T. R. Mcllroy. Dexter
Tower of Refuge. Douglas Bay. No B 6604
Tower of Refuge. Douglas Bay. 1913
Tower of Refuge. Douglas Bay. Dainty Series. Dennis
Tower of Refuge. Douglas Bay. I. O. M. British Manufacture
Tower Of Refuge Douglas I. O. M. 3561. J. V. Valentines Photo Brown Series
Tower of Refuge. Douglas. Isle of Man. Wholesale Toys and Gifts Limited Isle of Man. 1981. Chevalier. Rotterdam
I. o. M. Douglas. Tower of Refuge. Valentines Series. 1906