Возвращение Мухтара S11E37 - Коллекция

A valuable collection of silver artifacts was stolen from the apartment of collector Mironov. Mukhtar helps the detectives establish that the thief escaped on a bicycle, and on the way he was... bitten by a dog! Suddenly, one of the collection items is found in a pawnshop. It turns out that this item has disappeared from the apartment of another collector, Potapov, who claims that Mironov sold him his antique silver. Who is telling the truth and who is lying?