set of post card stamp sticker set with groovy abstract bloom flower in trendy naive retro hippie 60s 70s style. floral nature-

postage stamp flower botanical groovy abstract bloom matisse border grunge frame textured rectangle label sticker postal square background collection element envelope illustration vintage perforated boarder isolated send set color card postmark rectangular decoration postcard retro plant wavy floral minimal modern doodle market trippy drawing nature post trendy naive hippie 60s 70s style nature- nature-inspired mail mark