Coins of Derpt - catalog with values
Bishopric of Dorpat (1224–1558)
Schilling=2 artig (ortug, pfennig)
Johannes V Blankenfeld (1518-1527)

1 artig no date
billon
MONETA IOHAN / crossed key and sword
shield
~ 30-40 USD
Johannes VI Bey (1528-1543)

1 schilling no date
billon
IOHAN TA DOMI / shield with three S
MON NOVA TARPT / crossed key and sword
~ 20-30 USD
Costs of Dorpat (Derpt) coins in this catalog approximate and indicated specifically for the coin shown in the picture.
I do not buy or sell coins - this is just a catalog.