Opening hours on holidays: May 1st, 2nd, 3rd - closed, // May 4th, 5th, 6th, 7th, 8th - open from 11am to 7pm, // May 9th, 10th, 11th - closed
1 ruble 1988 USSR Maxim Gorky, variety, Break in a wave, from circulation
stamp B according to Shirokov's catalog: the cut of the second wave is shallower and has a small gap in its lower part
