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What figure was a multiple of the salary of informers in pre-revolutionary Russia? Detailed answer

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What figure was a multiple of the salary of informers in pre-revolutionary Russia?

In pre-revolutionary Russia, the basic salary of secret police officers, that is, informers, was 30 rubles a year. Valuable personnel were paid even more, in special cases the amount reached 30 per year, but it was always a multiple of 000. Although the reason for this was not recorded anywhere, the analogy with Judas and 30 pieces of silver was clear to everyone.

Authors: Jimmy Wales, Larry Sanger

 Random interesting fact from the Great Encyclopedia:

What book did the writer ask to be sold for exactly the price of a bottle of vodka?

When the poem "Moscow - Petushki" was published as a separate book, at the request of the author Venedikt Erofeev, the price of 3 rubles 62 kopecks was set for it. That is how much a bottle of vodka cost at the time of writing the poem.

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