12 Mariengroschen - John Frederick

Features

Issuer	Brunswick-Lüneburg-Calenberg (German States)
Prince	John Frederick (Johann Friedrich) (1665-1679)
Type	Standard circulation coins
Years	1668-1673
Value	12 Mariengroschen (⅓)
Currency	Thaler
Composition	Silver
Weight	7.36 g
Diameter	30 mm
Shape	Round
Demonetized	Yes
Number	N# 58800
References	KM# 123 Standard Catalog of World Coins (86 volumes).

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Obverse

Horse leaping to the left, with legend surrounding.

Script: Latin

Lettering:
IOHAN.FRIED.D.G.DUXBR.ETLUN*
12

Reverse

Value and date with surrounding legend.

Script: Latin

Lettering:
*XII*
MARIEN
GROSCH
1669.
*
*F.BR.LUN.LANDT.M.V.S.SILBER

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Date					VG	F	VF	XF	AU	UNC
Undetermined
1668
1669
1670									$ 130
1671
1672
1673

Values in the table above are expressed in USD. They are based on evaluations by Numista users and sales realized on Internet platforms. They serve as an indication only; they are not intended to be relied upon for buying, selling or exchanging. Numista does not buy or sell coins or banknotes.

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Numista Rarity index: 87 Search tips

This index is based on the data of Numista members collections. It ranges from 0 to 100, 0 meaning a very common coin or banknote and 100 meaning a rare coin or banknote among Numista members.

Past sales

Pictures	Sale	Date	Version	Grade	Sold price
	Katz Auction 194 Lot 474	15 May 2026	1670	AU	USD 132.83 (EUR 115.00) (+ buyer's premium)
© Katz Coins Notes & Supplies Corp.
	Katz Auction 182 Lot 318	6 Feb 2026	1670	AU	USD 127.06 (EUR 110.00) (+ buyer's premium)
© Katz Coins Notes & Supplies Corp.
	Katz Auction 171 Lot 1633	10 Oct 2025	1670	AU	USD 128.21 (EUR 111.00) (+ buyer's premium)
© Katz Coins Notes & Supplies Corp.