Multilingual Stamps?

I ran across these Swiss stamps issued in three languages (don't have the Italian one yet).
Is this unique or are there others out there of this type?
Might be a good theme for collecting. If unique, then I'm two thirds of the way to completing my collection

The greatest number of languages on any stamp,
is held by Denmark 1966
red cross charity stamps incribed
"per humanitatem ad pacem"

It had the name of the organisation in 32 languages:


The language to find in amongst all these,
is to try and find the Amharic.

The only stamp with an unknown language aboard,
is Macao 1936 (airmail)

It includes two lines of Greek that no one has yet deciphered.

For many years (1871 to 1931) Hyderabad State in India included the value of its stamps in four languages, Hindi (or more strictly Marathi), Telugu (a South Indian language), Urdu (or Persian) and English



reading clockwise around the centre. It only once in its 80-odd years of philatelic life ever put its name, in any language, on its stamps, though

And there are a couple of good philatelic trivia questions and answers!

South Africa brought out a set of 11 stamps in 2001 for the 3rd UN World conference against racism, one in each of its 11 official languages:

http://www.racism.gov.za/pr/stamp.htm