Hi,
The lion rampant and crowned O are pseudo marks. Crowned O, imitation of a date letter, seen on brandy bowls, spoons made in Groningen. Source; K.A. citroen Valse Zilvermerken in Nederland page 41 #271.
See;
viewtopic.php?t=56948
The second image, unclear maker's mark, can you show a clear enhanced image of this mark?
Best,
Peter