The "Dodo-Postcards" watermark is NOT on the actual card – it is an online watermark only.
The Union Castle Mail Steamship. R. M. S. Edinburgh Castle. O. W. Hoffman. The Docks. Southampton. No. 1. RP
R. M. S. Pretoria Castle. The Union Castle Mail Steamship. O. W. Hoffmann. The Docks. Southampton. No. 1. RP
R. M. S. Pretoria Castle. The Union Castle Mail Steamship Co. O. W. Hoffmann. No. 1. Southampton. RP
The Union Castle Royal Mail Steamer Edinburgh Castle. Union Castle Line to South and East Africa