Threshold with masks and festoon (decoration), by Alexandrian workers, 2nd Century - 1st Century b.C., opus sectile floor mosaic. Italy: Campania: Naples: National Archaeological Museum. Whole artwork. Floor mosaic floor threshold/entrance colors of the Fall/Autumn colors/Fall Colors yellow orange green brown festoon leaves fruits grape clusters vine leaves vine pomegranates apple tree leaves pear tree oak ivy poppy flowers pine cone ribbons sympos