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20 Francs 1st Transalpine Flight

20 Francs (1st Transalpine Flight) -  obverse20 Francs (1st Transalpine Flight) -  reverse

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Features

Country Switzerland
Type Non-circulating coin
Year 2013
Value 20 Francs / Franken / Franchi
20 CHF = 21 USD
Currency Franc (1850-date)
Composition Silver (.835)
Weight 20 g
Diameter 33 mm
Thickness 2.9 mm
Shape Round
Orientation Medal alignment ↑↑
References KM# 147
Standard Catalog of World Coins
by George S. Cuhaj
(Krause Publications)

Commemorative issue

1st Transalpine Flight

Obverse

First complete transalpine flight in 1913

After becoming the first person to fly across the Pyrenees at the age of 21, Oskar Bider’s greatest ambition was to cross the entire width of the Alps, taking off in Bern and landing in Milan. He set about his project with the utmost care, leaving nothing to chance. His plan for a non-stop flight had to be abandoned on account of the fact that in the thin mountain air, his aircraft with its 70 hp engine could only achieve the necessary flying altitude with the weight of fuel restricted to half a tank. He therefore decided to make an intermediate landing in Domodossola.

In the early morning of 13th July 1913, he began his audacious undertaking. In his seven cylinder Blériot monoplane, he took off from Beundenfeld near Bern at 04.08, bound for Italy. The greatest obstruction on his Alpine crossing came in the form of the Jungfraujoch. For more than an hour he struggled desperately to gain the last hundred metres, until finally attaining the necessary altitude of 3600 metres. After that, everything went according to plan. He reached Domodossola without encountering further problems and refuelled there, arriving in Milan at 08.42. The Alpine crossing made Oskar Bider world famous and ensured him a place among the great pioneers of aviation. He died in Dübendorf in 1919, as the result of a crash during an aerobatic display.

Lettering: ERSTE ALPENÜBERQUERUNG 1913

Engraver: Angelo Boog, Wallisellen

Reverse

Country name, emblem, value and year.

Lettering:
CONFOEDERATIO HELVETICA
20 FR
B
2013

Edge

Inscripted

Lettering: DOMINUS PROVIDEBIT

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Year Mintage G VG F VF XF AU UNC Frequency
2013 B 50,000 92%
2013 B 7,000 19% Proof

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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Numista Rarity index: 72 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 and 100 meaning a rare coin among Numista members.

Bullion value: 9.67 USD Search tips
This value is given for information purpose only. It is based on a price of silver at 579 USD/kg. Numista does not buy or sell coins or metal.

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20 Francs (1st Transalpine Flight)