The "Dodo-Postcards" watermark is NOT on the actual card – it is an online watermark only.
Kenilworth Castle. The Keep. J. Salmon. Cameracolour
Ludlow Castle. The Keep. J. Salmon. Cameracolour
You Can Not Keep the Moon from Shining. The Art. 1905
Rochester Castle. The Keep. J. Salmon Ltd. Cameracolour
Carisbrooke Castle. The Keep. J. Salmon. W. W. Quatremain. 1929
Ludlow Castle. The Keep. J. Salmon. Sevenoaks
But You Can t Keep a Girl From Thinking. D. Constance. Sole Publishers Of All New Donald McGill Comics
Can You Keep a Secret. Tuck. Early Victorian. Oilette De Luxe. Series. III. No. 3810. Jennie Harbour