mixed media on fiberboard, 30x39,5 cm, signed lower right „ZBK“
1969, linocut on paper (13/100), 30x96cm, signed lower right „Július Koller 1969“
1970, green stamp on paper, 13,5x16 cm, signed center down with stamp
1972, photography of artwork, hand painted with red marker, 11,2x7 cm, signed
author´s offset on paper, 10,5x16,5 cm, signed on the back side „Július Koller“
1993, color lithograph on paper (25/42) , 15x11,5 cm, signed center down „V. Gažovič 93“
1993, color lithograph on paper (29/42) , 15x11,5 cm, signed center down „V. Gažovič 93“
1964, oil on canvas, 40x50 cm, unsigned, on the back side „Š. Bobota“
1962, oil on canvas, 40x50 cm, unsigned, on the back side „Bobota“
1969-70, oil on canvas, 73x99 cm, unsigned, on the back side „Š. Bobota 69-70“
2002, oil on plywood, 36x36 cm, unsigned, on the back side „M. Uher 2002“
2002, oil on plywood, 32,5x32 cm, unsigned, on the back side „M. Uher 2002“
serigraph on paper, 33x23 cm, signed on the back side „Rudolf Sikora“
1994, serigraph on paper (433/500), 32,5x23 cm, signed lower right „Rudolf Sikora 94“
1987, serigraph on paper (157/200), 45x33 cm, signed lower right „Rudolf Sikora 87“
1978, serigraph on paper (52/90), 59,5x49,5 cm, signed lower right „Rudolf Sikora 1978“
1979, serigraph on paper (5/30), 65x45 cm, signed lower right „Rudolf Sikora 1979“
2007, acrylic on plywood, 105x165 cm, signed lower right „Ján Lengyel“
1996, etching, dry point on paper (author´s copy), 49,5x32 cm, signed lower right „Dušan Polakovič 96“
1994, etching, dry point on paper (7/100), 64x49,5 cm, signed lower right „Dušan Polakovič 94“