UKRAINIAN WW2 RING UPA-OUN, INSURGENT ARMY

EXTREMELY RARE WW2 Bronze Ring UPA-OUN, 1939-1954
For your consideration here is the Extremely Rare WW2 Bronze Ring UPA-OUN Ukrainian Insurgent Army, 1940-1951 with Coat of Arms and Inscription.
Coat of Arms is for British Army. Is it mean what the British military have been in UPA?
The ring has inscription: STANISLAU.
According to the information from the previous owner this particular item belonged to Michailishin Stepan, former member of OUN - see his ID (selling separate).
We are selling a collection of items from an unknown period of history - Ukrainian Insurgent Army UPA-OUN, 1942-1954.
SIZE: 25 x 25 mm. From real old collection! Please note: last image is for sample only.
ESTIMATE PRICE: $100 - $150.
NO RESERVE auction. Start price is VERY LOW.
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WIKIPEDIA: the Ukrainian Insurgent Army (UPA) was a Ukrainian nationalist paramilitary and later partisan army that engaged in a series of guerrilla conflicts during World War II against Nazi Germany, the Soviet Union, Czechoslovakia, and both Underground and Communist POLAND. the insurgent army arose out of separate militant formations of the Organization of Ukrainian Nationalists - Bandera faction (the OUN-B), other militant national-patriotic formations, some defectors of the Ukrainian Auxiliary Police, mobilization of local population and other. the political leadership of the army belonged to the Organization of Ukrainian Nationalists - Bandera.