Plate Number: Similar to imprint XI, but with a larger solid star. Used on Postal Savings #PS6 plates.
Initial Plate: 21485

Plate Number: Together with the donomination in large capital letters 4.6mm high.
The value was conspicuously displayed in the sheet margins that an error may not so easily occur due to all denominations being in the same color.
Used on Parcel Post plates – Series 1912
Initial Plate: 6161

Imprint: Used on plates having the same characteristics as Impring XII
Initial Plate: 5805

Imprint & Plate Number: Similar to imprint V with capital “A” added between the imprint and number. “A” is 2.7mm.
Used on plates having uniform horizontal spacing between rows of subjects, but wider than in those with Imprint V.
Initial Plate: 5557

Imprint & Plate Number: Similar to Imprint V with open star 2.7mm high between.
Used on plates having varying gutter widths between the vertial rows of stamp subjects
Initial Plate: 4968