The "Dodo-Postcards" watermark is NOT on the actual card – it is an online watermark only.
C. I. Guernsey. Grande Rocque Cobo and Vazon. A gp Publications. E. T. W. Dennis. Airviews
Guernsey. Cobo and Grande Rocque. The Guernsey Press. RP
Cobo and Grande Rocque. Guernsey. C. I. Guernsey Press. Dennis. Norman Grut
C. I. Guernsey. Cobo and Grande Rocque Bays. John Hinde. H. Gossler
Cobo and Grande Rocque. Guernsey. B. B. London. RP
17. Cobo and Grande Rocque. Guernsey. B. B. London. RP
Cobo and Grande Rocque from the Guet. Guernsey. Norman Grut. 1957
