The "Dodo-Postcards" watermark is NOT on the actual card – it is an online watermark only.
Holborn. Hildesheimer. No. 601
Holborn. S. Hildesheimer. No. 601. 1906
Holborn. S. Hildesheimer. No. 601
Holborn. S. Hildesheimer. No. 601. 1905
Holborn. S. Hildesheimer. London. Manchester. No. 601