почта
Николай I
15 15
коп коп (Translation: Mail Nicholas I 15 15 KOP KOP)
Reverse lettering
имѢетъ хожде-
ние наравнѢ съ
размѢнной се-
ребряной моне-
той. (Translation: Is in circulation with a stretched silver coin.)
Variants
There exists a very rare variant with rounded edges and an overprint "in silver" (У СРЕБРУ). Only 3 known samples exist, with serial numbers A.059 998, A.059 999 and A.059 000.