There are two main reasons why I like Ravensburger puzzles, apart from the image of the puzzle itself. One of them is the matte finish of their pieces. They show a distinctive texture that I prefer over other brands that tend to have glossy surfaces. That matte finish is also common in Clementoni puzzles. The other reason is the excellent quality of the pieces and the way the poster is glued to the cardboard. It is not uncommon to find a 50 year old used copy, like the Wedding Tour, and enjoy a jigsaw puzzle that looks like new.
The preference for matte finish is quite a personal choice. They say that in matters of taste there can be no disputes (de gustibus non est disputandum). However, I think most puzzle fans would agree on the excellent quality of old Ravensburger puzzles. In fact, they even tend to weigh more than most other brands. That means that the cardboard used is more dense or thicker. A puzzle by Ravensburger will normally be heavier than most other brands, with perhaps the exception of Jumbo and some old MB puzzles that...