1911-1931 Special Delivery
10¢ - Ultramarine, pale
ultramarine or dark ultramarine
Single line USPS wmk. - Perf. 12 - Scott #E8 - 1911
10¢ - Ultramarine or pale
ultramarine
Single line USPS wmk. - Perf. 10 - Scott #E9 - 1914
10¢ - Pale ultramarine or
ultramarine
Without wmk. - Perf. 10 - Scott #E10 - 1916
10¢ - Ultramarine, pale
ultramarine or dark ultramarine
Single line USPS wmk. - Perf. 11 - Scott #E11 - 1917
10¢ - gray violet
Single line USPS wmk. - Perf. 11 - Scott #E11b - 1917
10¢ - Blue
Without wmk. - Perf. 11 - Scott #E12 - 1922
15¢ - Deep orange
Without wmk. - Perf. 11 - Scott #E13 - 1925
15¢ - Black
Without wmk. - Perf. 11 - Scott #E14 - 1925
10¢ - Violet
Without wmk. - Perf. 11 - Scott #E15 - 1927