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
Q10 Dairying 50c carmine rose 7/13/1913 12
Q11 Harvesting 75c carmine rose 7/13/1913 12
Q12 Fruit Growing $1 carmine rose 7/13/1913 12
QE1 Special Handling 10c yellow green 6/25/1928 11
QE1a Special Handling 10c yellow green 6/25/1928 11
QE2 Special Handling 15c yellow green 6/25/1928 11
QE2a Special Handling 15c yellow green 6/25/1928 11
QE3 Special Handling 20c yellow green 6/25/1928 11
QE3a Special Handling 20c yellow green 6/25/1928
QE4 Special Handling 25c yellow green 4/11/1925 11
QE4a Special Handling 25c deep green 4/11/1925 11
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