This serigraph is by Japanese artist Norio Azuma. It dates from circa 1970, and is signed at the lower right.
Headed by Robert Rogal, RoGallery is a renowned art dealer and gallery in New York City. For over three decades, the company has collected and offered an extensive collection of original fine art, photographs, and sculpture. Their selection of artists runs the gamut from Pablo Picasso and Henri Matisse to Alexander Calder and Joan Mirò.