Homepromo BE KEYSTONE'S 1000TH INSTAGRAM FOLOWER AND WIN A NOKIA LUMIA brought to you byAnn Chetachukwu Ubah MD -February 24, 2015 Enter your email address: Delivered by FeedBurner Keystone Bank is on Instagram. Follow them @keystonebankng and if you are their 1000th follower, you win a Nokia Lumia phone. Be sociable, share. Tags: promo Facebook Twitter