4 kopek stamp of 1913 with a lithographed surcharge in black
This is a revenue stamp which was used to pay a tax on stamp exchanges. It was withdrawn shortly after being issued on instructions from Moscow.
Listed under "Tausch-Kontrollmarken" in Michel and "Timbres d'Usage Spécial" (special usage stamps) in Yvert
14 kopek stamp of 1913 with a lithographed surcharge in black
This is a revenue stamp which was used to pay a tax on stamp exchanges. It was withdrawn shortly after being issued on instructions from Moscow.
Listed under "Tausch-Kontrollmarken" in Michel and "Timbres d'Usage Spécial" (special usage stamps) in Yvert