yes that is a typical etching on the blade. davos city is relative small, i was a couple times there but it is/was fancy for the rich people. it has quite some stores there, also some expensive ones and typical suvenier shops as well. platz means the center of the city where they had markets and all. sure enough meng is still in buiseness there: http://www.meng-davos.ch/ and they are in 4. generation now, over 112 years. http://www.mengschliff.com/presse gives some insight how they are now, its mainly resharpening of knives and tools and also iceskate, a typical combination for switzerland.