Looks like Skoosh is right, it´s Luxembourg
https://de.wikipedia.org/wiki/Jean_(Luxemburg)#https://en.wikipedia.org/wiki/Coat_of_arms_of_Luxembourg#/media/File:Luxemburg_groot_wapen_1898.svgjust for the books, i have no idea whatsoever of heraldry
I am just forwarding the answers from other very competent people i have asked.Shield:
2 golden, crowned lions, red tongued
A royal crown with purple ermine cloak
The shield has 16 Fields
Field 1: Grafschaft Saarbrücken: Blue, with silver crosses and golden lion.
Field 2: Herrschaft Merenberg: green with golden cross
Field 3: Grafen von Weilnau, 2 red lions on a gold background.
Field 4: Grafen von Moers, black bar on a gold background
Field 5: Grafen von Katzenelnbogen, crowned red lion on a gold background.
Field 8: Grafen von Saarwerden, a red tongued double eagle on black backround
Field 9: Grafen von Dietz, 2 golden lions on a red background.
Field 12: Geroldseck-Lahr, red bar on a gold background
Field 13: Grafschaft Vianden, silver bar on a red background
Field 14: Burggrafen von Kirchberg, 3 black vertical bars on a silver background.
Field 15: Grafen von Sayn, crowned golden lion on a red background.
Field 16: Lahr-Mahlberg, crowned black lion on a golden background.
Middle shield / quartered
Fields 1 und 4: Herzogtum Nassau: red tongued golden crowned lions on a blue background.
Fields 2 und 3: Großherzogtum Luxemburg, double tailed crowned red lions on a blue background with silver stripes
the crest has 6 helmets:
1: Grafschaft Nassau.
2: Großherzogtum Luxemburg.
3: Grafschaft Saarbrücken.
4: Grafschaft Dietz.
5: Grafschaft Moers.
6: Grafschaft Sayn.
Regards
Dave