This is a great example dated 1959-60, and is within the period that Hans Huth would have been building frames in the basement of his cycle shop.
Unknown tubing, very possibly Reynolds 531. Campagnolo cranks and BB, Cinelli bars. Airlite hubs and original Uni-Canitor saddle (not Cinelli).
Size: 54 cm square
Owner: Vic Cockcroft