I have 2 5 x 7 prints of Hiroshige Ando works called 1. "Suljin Grove and Matsusaki on the Sumida River, one of the 100 famous views of Edo (Tokyo". It is framed 7.5x9.5 and has a label on the back in English and Japanese with a brief bio of the artist. There is PM-17 handwritten at the bottom 2. "Iris Garden at Horikiri". Same dimensions and label on the back. This one has PM-19 written on it
See above