Switzerland
swi-20200305-s-001
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Stamp picture
Click here for higher resolution image
Click here to see FDC's		First day of issue: March 05, 2020
Occasion: 2020 Men's World Ice Hockey Championships,2020,Zurich & Lausanne,Switzerland
Width: 40 mm
Height: 33 mm
Perforation: Serpentine die cut 10.25 x 10.25
Printing method: Offset
Printer: Joh. Enschede, Haarlem, Netherlands
Creative team:
     Micha Seger, Designer
Location: Ice Hockey Volume LXXXIX
Stamp ID = 6128

From Linn's "Stamp Issuing Entities Of The World" page.

Switzerland (1850-)
Stamp-issuing status: active; Population: 7,248,984 (1997 estimate). A land-locked federation in central Europe, situated between France, Germany, Austria and Italy. The country has three official languages: German, French and Italian.

In addition from Wikepedia
Romansh has been recognized as a national language of Switzerland since 1938, and as an official language in correspondence with Romansh-speaking citizens since 1996, along with German, French, and Italian.