Russia, Grand principality of Ryazan (Ryazan) AR Denga c. 1419-25 - Ivan Fyodorovich (1417-1456)

Russia, Grand principality of Ryazan (Ryazan) AR Denga c. 1419-25 – Ivan Fyodorovich (1417-1456)
1.15g. VF/VF.The princely symbol (“Ryazan tamgha”) countermarked on imitative Golden Horde dirham of ‘Abd Allah Khan, AH 770 Urdu Mint.
Host type И315-314, Countermark type Н374 (HP Ryazan, 2024); HP II# 5978.
The attribution of anonymous Ryazan coins is still very problematic.