Swissair put their logo on where the Vic logo goes, so it’s not unknown. Welcome to the forum!
Welcome to the forum Harald - You got a massive bargain for that Champion And it looks in extraordinarily good condition - So even better bargainKnife like that could go fo $100 plus on EBay I'd say PS . Is SKF Swiss Klein French now known as SK BeechamPPS. And yep - agre with Rizio - Not uncommon to see no Vic logo - And metal inlays are always good - And some folk prefer to collect the logoed or advertising knives