One more spoon for help, please

[penpal]

Here's one more spoon I'd like help with, please.  Another I inherited and know nothing about.  I should say I know nothing much about antiques.

[elvyyu]

Crescent moon and crown is the country mark for Germany; silver content is 80%, known as Continental silver, as opposed to 92.5% for sterling.

[penpal]

Thanks so much. That's wonderful help.