SOLD
Kim Jinwoo: 金振宇 (1883-1950), the seal is the art name 金剛山人, one of the panels includes his other art name, 一州.
He is a well known Korean painter of bamboo images.
<a href="https://www.philamuseum.org/collections/permanent/159416.html?mulR=1422785113″>https://www.philamuseum.org/collections/permanent/159416.html?mulR=1422785113
An article showing another bamboo picture is here: http://blog.sina.com.cn/s/blog_6f5825910100nsie.html
http://m.blog.daum.net/kschoe/281?np_nil_b=1&categoryId=71
http://encykorea.aks.ac.kr/Contents/Index?contents_id=E0010655
seal verification : http://www.kanauction.co.kr/auction/past/view?id=308&page=94
http://bid.igavelauctions.com/Bidding.taf?_function=detail&Auction_uid1=4731968
condition: restorations and tears to panels 5 and 6.