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Duchy of Courland and Semigallia
Ernest John of Biron
(1763 - 1769)
Coins
1 Ducat - Ernst Johann von Biron
(1764)
small bust
Gold (.986)
3.49g
ø 21mm
No price or extra data is recorded for this coin, it may be rare and valuable.
2 Ducats - Ernst Johann von Biron
(1764)
Gold (.986)
6.98g
ø 27mm
No price or extra data is recorded for this coin, it may be rare and valuable.
1 Tympf - Ernst Johann von Biron
(1764)
Silver
6.1g
ø 28mm
No price or extra data is recorded for this coin, it may be rare and valuable.
18 Groshen - Ernst Johann von Biron
(1764)
Silver
6.13g
ø 28mm
No price or extra data is recorded for this coin, it may be rare and valuable.
1 Grossus - Ernst Johann von Biron
(1763–1764)
Mitau
Silver
0.96g
ø 18mm
No price or extra data is recorded for this coin, it may be rare and valuable.
3 Grossus - Ernst Johann von Biron
(1764–1765)
Mitau
Silver
2.11g
ø 21mm
No price or extra data is recorded for this coin, it may be rare and valuable.
1 Ducat - Ernst Johann von Biron
(1764)
Silver pattern; large bust
Silver
No price or extra data is recorded for this coin, it may be rare and valuable.
6 Grossus - Ernst Johann von Biron
(1763)
Obverse trial; Mitau
Silver
No price or extra data is recorded for this coin, it may be rare and valuable.
1 Tympf - Ernst Johann von Biron
(1764)
Reverse Trial
Silver
No price or extra data is recorded for this coin, it may be rare and valuable.
3 Grossus - Ernst Johann von Biron
(1764)
Off metal pattern; Mitau
Gold
No price or extra data is recorded for this coin, it may be rare and valuable.