Some of photo album of this tour were published, 'Prince HIROHITO European tour photo album 皇太子殿下御渡欧記念写真帖'. We can watch some of these at Japan National Diet Library.
KOKUSAI-JOHO-SHA
https://t.co/fUcznE6QPM
see P21
OSAKA-MAINICHI
https://t.co/fUcznE6QPM https://t.co/MOsZgjvhSu