The "Dodo-Postcards" watermark is NOT on the actual card – it is an online watermark only.
Muncaster Castle. East. Mosss Series. 1911. No. 169
Sandgate Castle. Entrance to Museum. Castle Series. 20
Arundel Castle and New Lodge Philco Series 1907 Series No 1026
Edinburgh Castle. Scottish National War Memorial. Entrance to Shrine. Castle Series. No. 39
Entrance. Harlech Castle. S3398. Kingsway Real Photo Series
31232. Entrance Hall. Dunster Castle. Friths Series
Dollar. Castle Campbell and Entrance to the Glen. J. B. White. Best of All Series. RP. 1939
Conway Castle Entrance. Photochrom. Glossy Photo Series