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In page Irkutsk:

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The coat of arms of Irkutsk features an old symbol of Dauria: a Siberian tiger with a sable in his mouth. When the coat of arms was devised in 1690, the animal was described as a tiger ("babr", a bookish word of Persian derivation) with a sable in his mouth. This image had been used by the Yakutsk customs office from about 1642. It has its origin in a seal of the Siberia Khanate representing a sable and showcasing the fact that Siberia (or rather Yugra) was the main source of sable fur throughout the Middle Ages.[citation needed]