Antique Chinese painting
well the signature is (read top to bottom):

李 (u+674e)：http://humanum.arts.cuhk.edu.hk/Lexis/lexi-mf/search.php?word=李

徯 (u+5faf)：http://humanum.arts.cuhk.edu.hk/Lexis/lexi-mf/search.php?word=徯

then, the seal is the same (read right to left)

if you goggle, there's a 日本篆刻家協会会報, 

www.n-tenkoku.jp/download/vol9.pdf

in page 10, there's the same seal, with info:

李徯　河井荃廬

https://ja.wikipedia.org/wiki/河井せん廬

he's a japanese seal craving artist (篆刻家); so, i guess that this seal "李徯" was made by him. further, it's reasonable guess that the painting is "made-by-japanese".

if you need further info, i would suggest you post the pictures in japanese language stack exchange :)

https://japanese.stackexchange.com