1911-1931  Special Delivery

10c - Ultramarine, pale ultramarine or dark ultramarine
Single line USPS wmk. - Perf. 12 - Scott #E8 - 1911

10c - Ultramarine or pale ultramarine
Single line USPS wmk. - Perf. 10 - Scott #E9 - 1914

10c - Pale ultramarine or ultramarine
Without wmk. - Perf. 10 - Scott #E10 - 1916

10c - Ultramarine, pale ultramarine or dark ultramarine
Single line USPS wmk. - Perf. 11 - Scott #E11 - 1917

10c - gray violet
Single line USPS wmk. - Perf. 11 - Scott #E11b - 1917

10c - Blue
Without wmk. - Perf. 11 - Scott #E12 - 1922

15c - Deep orange
Without wmk. - Perf. 11 - Scott #E13 - 1925

15c - Black
Without wmk. - Perf. 11 - Scott #E14 - 1925

10c - Violet
Without wmk. - Perf. 11 - Scott #E15 - 1927