Coins of Lithuanian Duchy - catalog with values
Grand Duchy of Lithuania (1236–1795)
Groschen=8 denar (penny)
Alexander I king of Poland since 1501 (1492–1506)

half groschen no date
silver
MON ALEXANDRI
MAGNI DVC LITVANIE
~ 10-15 USD

denar no date
silver
~ 30-40 USD
Sigismund I the Old king of Poland (1506-1548)

half groschen 1511
silver
MONETA SIGISMVNDI 1511
MAGNI DVCIS LITVANIE
~ 10-15 USD
Sigismund II August king of Poland (1548-1569)

half groschen 1563
silver
MONETA MAGNI DVCAT LITVA / 1563
SIGIS AVG D G REX POLO M D LI
~ 20-25 USD

half groschen 1563
silver
MONETA MAGNI DVCAT LITV / 1565
SIGIS AVG D G REX POLO M D L
~ 20-25 USD

2 denar 1570
silver
SA 1570
II
~ 20-25 USD

1 denar 1558
billon
1558
~ 20-25 USD
Groschen=3 schilling (solidus); Groschen=8 denar (penny)
Sigismund III king of Poland (1587-1632)

1 groschen 1626
silver
GROSS MAG DVCA LIT / 1626
SIG III D G REX PO M D L
~ 20-30 USD

1 schilling 1616
billon
SOLIDVS M D LIT
SIG III D G REX PO M D L / S /1616
~ 15-20 USD

1 schilling 1623
billon
SIG III D G REX PO M D L
SOLIDVS M D LIT 1623
~ 8-12 USD

1 schilling 1626
billon
SOLIDVS M D LITV 1626
SIG III D G REX P MD L
~ 8-12 USD

2 denar 1620
billon
S / 1620
II
~ 15-20 USD
John II Casimir king of Poland(1648-1668)

1 schilling 1652
billon
IOA CAS D G RPOL L
SOLIDVS M D LIT / 52
~ 8-12 USD

1 schilling (boratinka) 1663
copper
IO CAS REX
SOL MAG DVC LIT 1663
~ 5-7 USD
See also - Polish Kingdom coins
Costs of Lithuanian Duchy 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.