Help me read this marks leaf/pinetree/carrot??

Please help me read this marks on a decorative piece of silver, 26 cm high and 300 gram. Inside the door is “12” and 88 ? or g8 or ss? On the bottom is also a crown maybe? On the bottom and lion flag is the same leaf (?).
Detail mark lion_smaller.jpg
Detail inside door_smaller.jpg
Deatil bottom mark_1_smaller.jpg