2 sheets: Transformation. Sonata
Silkscreen in colours, 1974 and 1975.
Heidenheim 48 and 52. Both signed. Numbered XXVIII/LXX and XLVI/LX respectively. On Japon nacré. Up to 40 x 49,5 cm (15,7 x 19,4 in). cm ( in)

Both with blindstamp of the publisher 'Edition de Beauclair'
Condition A-B. [HD]