Fastening is on a safety pin. The method of painting is cold enamel.
The pin was made in the USSR in the late 1980’s, and is periodically released as a modern replica.
The distinctive features of the rarity original pin are the manufacturer’s unique mark and stamped price on the back of the pin. In the Soviet Union due to the absence of the freewheeling economy, goods prices had been fixed for the whole country.
The text stamped on the back of the pin “Tz15K” means “Price 15 kopecks.” In modern Russia one could buy nothing for such a price.
The pin is a valuable collector’s item.
Knyaginino (the name derived from the word “knyginya” (princess) is a town and the administrative center of Knyagininsky District of Nizhny Novgorod Oblast, Russia. The town lies on the Imza River, 66 ml southeast of the city of Nizhny Novgorod. Its population is 6,520 men (2010).
It was first mentioned in the second half of the 16th century as an estate of prince Mikhail Vorotynsky. In 1779, it was proclaimed a town. Since that time, and until 1917 it was known as Knyaginin. In 1926 it was demoted to the status of a rural locality. Since 1986 it was an urban-type settlement, and town since 1998.
Major industrial projects in Knyaginino are a milk processing plant, a textile factory, and a fur manufacture.