20 Mark Ernst Abbe
Features
| Issuer |
German Democratic Republic
(Germany)  |
|---|---|
| Period |
Democratic Republic (1949-1990)
|
| Type | Non-circulating coins |
| Year | 1980 |
| Value | 20 Mark (20 DDM) |
| Currency | Mark (1948-1990) |
| Composition | Srebro (.500) |
| Weight | 20.92 g |
| Diameter | 33 mm |
| Shape | Okrągły |
| Technique | Frezowana |
| Orientation | Medal alignment ↑↑ |
| Demonetized | 30 June 1990 |
| Number | N# 41615 |
| References | KM# 78 Standard Catalog of World Coins (86 volumes). Jay M. Galst, Peter van Alfen; 2013. Ophthalmologia Optica & Visio in Nummis. Wayenborgh Publishing, Piribebuy, Paraguay. |
Commemorative issue
75. rocznica śmierci fizyka Ernsta Abbego
Obverse
Legenda dzieli godło państwowe i nominał
Script: łaciński
Lettering:
DEUTSCHE
DEMOKRATISCHE
REPUBLIK
20 MARK
1980
Reverse
Wczesny instrument optyczny, daty poniżej
Script: łaciński
Lettering:
ERNST ABBE
1840 * 1905
Engravers: Volker Beier, J. Rieß
Edge
Script: łaciński
Lettering: 20 MARK * 20 MARK * 20 MARK * 20 MARK *
Comments
Ernst Abbe był niemieckim fizykiem i przemysłowcem. Opracował teorię tworzenia obrazu mikroskopowego (1872) i opracował kondensor w celu poprawy jakości obrazu.
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-kadzuma-
See also
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| Date | Mintage | VG | F | VF | XF | AU | UNC | Frequency | |||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Undetermined | |||||||||||||||
| 1980 | 
|
40 000 | $ 52 | $ 53 | 87% | ||||||||||
| 1980 |
|
5 500 | $ 62 | (en) Proof | 17% | ||||||||||
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.
Frequencies show the percentage of Numista users who own each year or variety among all the users who own this coin. Since some users own several versions, the sum may be greater than 100%.
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A member of this site wants to exchange it: Yurek70
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(×66)
Country: Poland
Languages: EN, PL
(×66)Country: Poland
Languages: EN, PL
Numista Rarity index: 59
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.
Bullion value: USD 22.81
This value is given for information purpose only. It is based on a price of srebro at 2181 USD/kg. Numista does not buy or sell coins or metal.
Actual srebro weight: 0.336 oz
Current srebro price: 67.83 USD/oz (see silver price 
)
)
Past sales
| Pictures | Sale | Date | Version | Grade | Sold price | |
|---|---|---|---|---|---|---|
 |
Katz Auction 148 Lot 656 
|
11 Jan 2025 | 1980 | UNC |
USD 53.00
(EUR 46.00) (+ buyer's premium) |
|
| © Katz Coins Notes & Supplies Corp. | ||||||
 |
Katz Auction 133 Lot 1725
|
24 Jul 2024 | 1980 | UNC |
USD 50.69
(EUR 44.00) (+ buyer's premium) |
|
| © Katz Coins Notes & Supplies Corp. | ||||||
 |
Katz Auction 119 Lot 997
|
30 Mar 2024 | 1980 | UNC |
USD 39.17
(EUR 34.00) (+ buyer's premium) |
|
| © Katz Coins Notes & Supplies Corp. | ||||||
 |
Katz Auction 180 Lot 3283
|
2 Jan 2026 | 1980 – (en) Proof | UNC |
USD 49.54
(EUR 43.00) (+ buyer's premium) |
|
| © Katz Coins Notes & Supplies Corp. | ||||||
  |
Katz Auction 177 Lot 953
|
6 Dec 2025 | 1980 – (en) Proof | UNC |
USD 32.26
(EUR 28.00) (+ buyer's premium) |
|
| © Katz Coins Notes & Supplies Corp. | ||||||
 |
Katz Auction 169 Lot 759
|
20 Sep 2025 | 1980 – (en) Proof | UNC |
USD 31.11
(EUR 27.00) (+ buyer's premium) |
|
| © Katz Coins Notes & Supplies Corp. | ||||||
 |
Katz Auction 166 Lot 840
|
16 Aug 2025 | 1980 – (en) Proof | UNC |
USD 35.72
(EUR 31.00) (+ buyer's premium) |
|
| © Katz Coins Notes & Supplies Corp. | ||||||
 |
Katz Auction 141 Lot 1663
|
25 Oct 2024 | 1980 – (en) Proof | UNC |
USD 64.52
(EUR 56.00) (+ buyer's premium) |
|
| © Katz Coins Notes & Supplies Corp. | ||||||
  |
Katz Auction 138 Lot 1548
|
27 Sep 2024 | 1980 – (en) Proof | UNC |
USD 29.96
(EUR 26.00) (+ buyer's premium) |
|
| © Katz Coins Notes & Supplies Corp. | ||||||
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