Half-penny type with the letter F in front of a double cross (F‡), dated 1412-1414.
Very rare variety with the inscription OLONIE instead of POLONIE on the reverse.
Mint fresh condition.
High grading grade NGC - MS62.
Definitely recommended.
obverse: crown, in the rim: +MONE WLADISLAI
reverse: eagle, in the rim: +REGIS OLONIE