This chart is based upon both major and minor catalog numbers. The default opening view shows all US stamps; you can filter the chart by using the drop down box to select stamps by ‘Type’.
Catalog Number Description Denomination Color Date Issued Perforation Num Produced Series
K1 Offices in China 2c on 1c green 11
K2 Offices in China 4c on 2c rose
K3 Offices in China 6c on 3c violet 11
K4 Offices in China 8c on 4c brown
K5 Offices in China 10c on 5c blue
K6 Offices in China 12c on 6c red orange
K7 Offices in China 14c on 7c black
K8 Offices in China 16c on 8c olive bistre
K8a Offices in China 16c on 8c olive green
K9 Offices in China 18c on 9c salmon red
K10 Offices in China 20c on 10c orange yellow 11
K11 Offices in China 24c on 12c brown
K11a Offices in China 24c on 12c claret brown
K12 Offices in China 30c on 15c grey
K13 Offices in China 40c on 20c deep ultra
K14 Offices in China 60c on 30c orange red
K15 Offices in China 1 dollar on 50c light violet
K16 Offices in China 2 dollars on 1 dollar violet brown
K16a Offices in China Double surcharge 2 dollars on 1 dollar violet brown
K17 Offices in China 2c on 1c green