Category:Cobalt blue
From Stamps of the World
See https://en.wikipedia.org/wiki/Cobalt_blue for its definition.
Pages in category "Cobalt blue"
This category contains only the following page.
Media in category "Cobalt blue"
The following 6 files are in this category, out of 6 total.
Belgium 1966 - 1971 Definitives King Baudouin Type "Marchand" 7F.jpg 480 × 543; 71 KB
Ebersbach-Neugersdorf (DE) DR a.jpg 512 × 409; 321 KB
GB 1912-1924 Mackennals 2½dA.jpg 480 × 566; 109 KB
GB Machins Cobalt Blue a.jpg 480 × 559; 45 KB
Germany-Berlin 1962 The 50th Anniversary of Airmail 60.jpg 811 × 691; 661 KB
New South Wales1888 Centenary of NSW j.jpg 924 × 940; 791 KB
_DR_a.jpg)
