This is another CDV I’ve been looking for for a long time – Che Mah, the Chinese Dwarf. I had previously purchased a copy that was in faded condition, thinking it would be some time before I’d find another in better shape. Then this one rolled around.
Unlike the facsimile signatures on the versos of a bunch of my Tom Thumb CDVs, I do believe the pencil signature in English and Chinese is in the hand of Che Mah directly. It certainly does not appear to be mechanically reproduced, and it looks distinct from the signature on the first one: