On March 16, a stamp dedicated to the 175th Anniversary of inventor Pavel Mikhailovich Golubitsky will go into postal circulation
Pavel M. Golubitsky (1845–1911) is an outstanding Russian inventor in the field of telephony.
P. Golubitsky’s inventions are as follows: a dipole telephone, a multipolar telephone; a coal powder microphone, a microphone with a comb-like arrangement of coal; a power supply system of subscribers’ microphones with a common battery situated in the central station, which provided the means of building large urban telephone networks; and a telephone switch to interconnect pair-wise several telephone lines. P. Golubitsky was a pioneer of telephone service implementation on railway transport.
The stamp provides a P. Golubitsky’s portrait and a phone set of his invention.
Design Artist: A. Kradyshev.
Face value: 40 rubles.
Stamp size: 42×30 mm, sheet size: 146×174 mm.
Emission form: a sheet with formatted margins with 14 (3×5) stamps and a coupon.
Quantity: 154 thousand stamps (11 thousand sheets).
In addition to the issue of the postal stamp, JSC Marka will produce First Day Covers and special cancels for Moscow, St. Petersburg and Kaluga; besides, an illustrated envelope with stamps and labels inside will be published.
Special cancellation marks: