Two bats flyingBuy wall art of this image titled: Two bats flying, from the Japanese Ukiyo e and Yokohama e Prints Collection by Second Story Prints. Top quality print reproductions available now! Tags Bats Japan 1830 1850. Flying Japan 1830 1850. Notes Title devised by Library staff. Attributed to a group of drawings, formerly bound, referred to as the "Hokusai School sketchbook." Many of the drawings have a small tab of similar paper attached at a later date and