Night Blue was introduced in January 1925. Collectors generally call this Blue 2 as the name "Night Blue" saw limited use in trade publications. Night Blue is the darkest of two cobalt blue colors produced in the 1920s. Night Blue will show less florescence under blacklight than the earlier Aurora (Blue 1). |
1924 Aurora | 1925 Night Blue (Blue 2) | 1931 Royal Blue |
1916 Royal Blue) | 1929 Ritz Blue | 1936 Moonlight |
1903 Blue | 1926 Bluebell | 1928 Willow Blue |