Edo period (1615-1868), circa 1769-1770 An extremely rare aiban print of Natsu (Summer) from the series Fuzoku shiki no hana (Fashionable Flowers of the Four Seasons), depicting a young couple on a boat floating on a pond surrounded by lotus flowers in full bloom, the youth seated and leaning back with a fan, whilst the girl, nonchalantly holding a bamboo pole, stands coyly in front of him biting the end of her sash, all beneath the title of the series and a waka poem by Fujiwara Sanefusa enclosed within a 'cloud' cartouche, stamped at the bottom left with the collector's seal of Henri Vever; signed Suzuki Harunobu ga. 34cm x 25.1cm (13 3/8in x 9 7/8in).