Fondation Vasarely # VASARELY - HOMMAGES # 1997, nm+
De Rijk Fine Art # TOO GOOD TO BE TRUE # invitation, mint-
Andre Simoens gallery # WALTER LEBLANC # inviation, 2008, mint
Andre Simoens gallery # WALTER LEBLANC # 2008, mint
Vlaamse uitgave, Schoonhoven , Leblanc ao # INFORMELE KUNST in België en Nederland# 1982
Calderara, Leblanc, Morellet ao # NEUE KONKRETE KUNST # 1970, nm+
Josel Albers Museum/ Quadrat Bottrop # original silkscreened print WALTER LEBLANC # 1989, mint-