The "Dodo-Postcards" watermark is NOT on the actual card – it is an online watermark only.
Netley Castle. F. Frith and Co. Ltd
Roman Gateway. Pevensey Castle. Frith. 1967
Lancaster from the Castle. Frith. 1961
I. o. W. Cowes. The Carisbrook Castle. F. Frith. 1961
Winchcombe. Sudely Castle. F. Frith. 1962
Arundel Castle. F. Frith. 1969
St. Briavels Castle. F. Frith. 1964
Sherborne Castle. Frith. 1904