|You are enquiring about:
257 Jean Welz 'Studio'
oil on canvas, signed 'Jean Welz' and dated 1951 bottom right
Another version of the same studio, painted in 1953, is illustrated in Elza Miles, The world of Jean Welz, Rembrandt van Rijn Art Foundation, 1997, p. 74.
This painting could have been exhibited at the Gainsborough Gallery exhibitions of his work in 1951 or 1952.