The "Dodo-Postcards" watermark is NOT on the actual card – it is an online watermark only.
Sandwich. The Bridge and Barbican. J. Reynolds and H. J. Bensted. Stationers
Sandwich. The Barbican. H. Bros
Sandwich. The Barbican. H. Bros. RP
Sandwich. The Barbican. A. Gundry. Chain Studio
Toll Bridge and Barbican. Sandwich. The Carline Collection. 1995
Sandwich. The Barbican. Photochrom. No 70752
Sandwich. The Barbican. T. F. Pain
The Barbican. Sandwich. Kent. Hildesheimer. Fac Simile. 1925