Thank you for submitting your item for appraisal. This appears to be an offset print, covered with transparent varnish, after the famous painting "Hell" by Hieronymus Bosch (1450–1516). It is part of a tryptich now on exhibtion in the Prado in Madrid, Spain. The reproduction print in your possession was intended for home decor. There is no art market for reproduction prints. The estimate is based on similar vintage prints sold or offered. Offset prints show small round dots when viewed with a loupe / magnifying glass.