Half groschen Wladyslaw II Jagiello Lithuania Vilnius

very rare Lithuanian half groschen,
type "Regina",
obverse: crowned head of Mary,
around the legend of REGINA MAGNA,
reverse: left to right,
above a tribal sign - Tatar tamga,
extremely interesting coin,
relatively clear minting for this type of coin,
patina;

Ivanauskas: 1J9-1 RR