"Beer mugs, jug and plate probably 50 or more years old. Help!"

Hi all,

I have a second hand furniture (antique shop) in Barcelona and I recently got my hands on these Beer mug, jug and plate set probably 50 or more years old, I have no idea but it looks German but again I'm not sure , it resembles monks sipping from some kind of a pipe and holding a stein. There are no marks or any sign of makers they are perfectly intact. The people who had these took extreme care with all of their things as I also have art decor furniture from them completely intact.

Please help me situate and probably date them. I just need an idea where they from and how old they may be.

Thank you kindly.
The Odd Sock
El Mitjo Desaparellat (in Catalan)
elmitjodesaparellat@facebook.com