77/3396 Mommen, J. (b.1934). Lot of ±80 ex libris, mainly (col.) etchings, ±1980-1986, mostly signed/ numb./ dated in pencil, mostly tipped onto mounts, together in 2 unif. paper portfolios. - ADDED: 2 ex libris by S. MOMMEN (erotic, col. etching, signed in pencil, tipped onto mount).