HARRY BOOSTRÖM, Gouache, signed. Dated -54 verso.
"Treklangstema II". 47 x 67 cm.
Not examined out of the frame.
William and Maud Appelquist, Gotland, Sweden.
Galerie Bel'Art, Stockholm.
Private collection, Stockholm.
Hallands museum, Halmstad, March - April, 1954, cat. no. 40.
Norrköpings Konstmuseum, "Harry Booström – Avantgardist och konkretist", 21 March– 14 June, 2015.