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Try this one:
In my list of masters from St Petersburg without known marks I found Ander Gustaf Lindström (AGL), active 1849-1852. He was a Finn born 13.1.1822 in county of Sipoo/Sibbo in Finland and deceased 25.1.1852 in St P. He had his workshop on Stolarnij uliza in Rachmanov's house. He was married with master Olof Karén's widow Anna Christina Falkenberg from Säkkijärvi on the Carelian Isthmus.
Most likely it is Lindström, because the same mark could not be used by another master at the same time, but...?