Sample printed postage stamp.Ri.08/20/1866.Series "Standard Issue".Coat of arms of the postal department.10 kopecks.Iver No. 21a...

Sample printed postage stamp.Ri.08/20/1866.Series "Standard Issue".Coat of arms of the postal department.10 kopecks.Iver No. 21a (dark green, and karminov-red, coated paper, on both sides, without a watermark, the red-term "PS" is on the back).Author: Kepler F. Paper Crossed (on both sides, without a watermark), printing printing (dark green and karmino-red).19x25;16.5x22.5.- -.-Horizontal windows GKP-40478..Electronic copy source: PB