All About Pocket Knives

If anyone can decipher or read the characters I would appreciate any info you might provide . I came across a few these last week. They are carved from stone both the figures and the seal or chop on business end. The ones shown are carved on what I think is referred to as chicken blood stone.
A bare small stone of this type for the carving can be quite expensive
moss.

Moss - I do not know anything about those seals, but they are a very cool find. I bet that with good lighting or backlighting, those would be a fine addition to a display.