Hasui Kawase Woodblock Print “May Rain (Arakawa River)” 1932 Shin-hanga JAPAN. Kawase Hasui “May Rain (Arakawa River)” later printing. This is an authentic woodblock print. All my products are 100% Authentic. We do not mark merchandise values below value or mark items as “gifts” – Japan, US and International government regulations prohibit such behavior. About Importer’s Obligation.