Overdating 1769 to 1772 Ekaterinburg
Overdating 1770 to 1772 Ekaterinburg
		with high probability, change of date from 70 to 72
Overdating 1771 to 1772 Ekaterinburg
		two strikes with pounson 2
		two strikes with pounson 2
		probably damaged die
		may be, change of date from 71 to 72
		with high probability, change of date from 71 to 72
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