Roman Opalka Abeville 1931 Chieti 2011 "Opalka 1965/1- 8 Detail 1370001 - 1373095" 1965/1/8 inchiostro su carta cm 33,8x24,6 Firmato, titolato e datato "Opalka 1965/1- 8 Detail 1370001 - 1373095" al retro" Provenienza Collezione privata, Milano "Opalka 1965/1- 8 Detail 1370001 - 1373095" 1965/1/8 ink on paper cm 33.8x24.6 Signed, titled and dated "Opalka 1965 / 1- 8 Detail 1370001-1373095" on the reverse " Provenance Private collection, Milan