100 CZK version 1997 – UV

| 20 CZK | 50 CZK | 200 CZK | 500 CZK | 1000 CZK | 2000 CZK | 5000 CZK |

1997 version

face side

• fibres 6 mm long, invisible in daylight, with bluish luminescence, visible fibres with yellow luminescence, left-hand part of portrait, name KAREL IV, part of blind code, upper part of denomination on coupon and engraver’s name with blue-green luminescence

reverse side

• fibres 6 mm long, invisible in daylight, with bluish luminescence, visible fibres with yellow luminescence

2018 version (specimen)

face side

• fibres 6 mm long, invisible in daylight, fluoresce blue; visible fibres fluoresce yellow; left-hand part of portrait (heraldic description), name KAREL IV., upper part of denomination on coupon and engraver’s name fluoresce blue; lower half of denomination on coupon and blind code fluoresce green; ornaments in form of stylised Gothic window fluoresce green in lower left and upper right parts

reverse side

• fibres 6 mm long, invisible in daylight, fluoresce blue; visible fibres fluoresce yellow; horizontal series mark and banknote numbers fluoresce green; ornaments in form of stylised Gothic window fluoresce green in lower left and upper right parts

1995 version

face side

• &only fibres 6 mm long, invisible in daylight, with bluish luminescence

reverse side

• only fibres 6 mm long, invisible in daylight, with bluish luminescence