The "Dodo-Postcards" watermark is NOT on the actual card – it is an online watermark only.
Earls Court Exhibition. 1904. M. Ettlinger. Series 4300
Earls Court Exhibition. 1904. M. Ettlinger. The Royal Series. Series 4300
Earls Court Exhibition. 1904. M. Ettlinger. The Royal Series. Series 4300. 1904