The "Dodo-Postcards" watermark is NOT on the actual card – it is an online watermark only.
Guernsey. Castle Cornet. Hartmann. 1907
Guernsey. Castle Cornet. Guernsey. 1908
St. Peter Port Castle Cornet. Guernsey. 1974. Hinde. No 2J61
Guernsey. Castle Cornet. Golden Shield. Multi View
Castle Cornet. Guernsey. Multi view. Jarrold
Castle Cornet Guernsey. St. Peters Port. A. and J. Wholesale
St. Peter Port Harbour and Castle Cornet. Guernsey. Channel Island. Valentine. 1970
Guernsey. Castle Cornet. Golden Shield. A gp Publication. G. 101
