The "Dodo-Postcards" watermark is NOT on the actual card – it is an online watermark only.
Animals
Three siamese cats. Masons Alpha. RP. 1958
Three Cats. Mason Alpha. RP
Three Cats. Mason Alpha. PM. Hastings. Sussex. 1956. RP
Cats. Masons Alpha Series. RP
Two white cats. Masons. Alpha Series
Old Postcard. A Cat. Masons Alpha. RP. 1957
School. The Little Things that Count. Cats. Mason. Alpha Series. 1958
Lulworth Cove. Masons Alpha. RP. 1955