Inexhaustible Chalice is a Russian Marian icon which belongs to the Orans

Orans

Orans , is a figure with extended arms or bodily attitude of prayer, usually standing, with the elbows close to the sides of the body and with the hands outstretched sideways, palms up....

 type and is considered miracle-making. The feast day for this icon is observed on May 5

May 5 (Eastern Orthodox liturgics)

May 4 - Eastern Orthodox Church calendar - May 6All fixed commemorations below celebrated on May 18 by Old Calendarists-Saints:* Great-martyr Irene of Thessaloniki * Martyrs Irenaeus, Pellegrinus and Irene, at Thessaloniki...

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The Russian Orthodox Church

Russian Orthodox Church

The Russian Orthodox Church or, alternatively, the Moscow Patriarchate The ROC is often said to be the largest of the Eastern Orthodox churches in the world; including all the autocephalous churches under its umbrella, its adherents number over 150 million worldwide—about half of the 300 million...

 claims the icon (and the Theotokos herself) help those who suffer from alcoholism

Alcoholism

Alcoholism is a broad term for problems with alcohol, and is generally used to mean compulsive and uncontrolled consumption of alcoholic beverages, usually to the detriment of the drinker's health, personal relationships, and social standing...

 and drug addiction. The icon first appeared in 1878 to a peasant near Serpukhov

Serpukhov

Serpukhov is a city in Moscow Oblast, Russia, which is situated at the confluence of the Oka and the Nara Rivers. It is located south from Moscow on the Moscow—Simferopol highway. The Moscow—Tula railway passes through the town. Population: -History:...

. The original image was lost in the late 1920s, when divine service in the churches of Serpukhov was discontinued.

The Vysotsky Monastery

Vysotsky Monastery

Vysotsky Monastery is a walled Russian Orthodox monastery commanding the high left bank of the Nara River in Serpukhov, close to its confluence with the Oka. Its name stems from the Russian word for "heights"....

 and Vladychny Convent in Serpukhov have two copies of the original image which attract hundreds of pilgrims from all over Russia and abroad, who come to Serpukhov hoping for spiritual and physical healing.