▁up ▁to ▁marry ▁the ▁only ▁other ▁documented ▁painter ▁from ▁Cast el ▁San ▁Giovanni , ▁Mari otto ▁di ▁Crist of ano ▁( 1 3 9 3 – 1 4 5 7 ). ▁There ▁is ▁no ▁evidence ▁for ▁Mas ac cio ' s ▁art istic ▁education , ▁ ▁however ▁Renaissance ▁pain ters ▁tradition ally ▁began ▁an ▁app rent ices hip ▁with ▁an ▁established ▁master ▁around ▁the ▁age ▁of ▁ 1 2 . ▁Mas ac cio ▁would ▁likely ▁have ▁had ▁to ▁move ▁to ▁Florence ▁to ▁receive ▁his ▁training , ▁but ▁he ▁was ▁not ▁documented ▁in ▁the ▁city ▁until ▁he ▁joined ▁the ▁pain ters ▁gu ild ▁( the ▁Arte ▁de ' ▁Med ici ▁e ▁Spe zial i ) ▁as ▁an ▁independent ▁master ▁on ▁January ▁ 7 , ▁ 1 4 2 2 , ▁signing ▁as ▁" M as us ▁S . ▁Johann is ▁Simon is ▁p ict or ▁pop uli ▁S . ▁Nich ola e ▁de ▁Flor ent ia ." ▁ ▁First ▁works ▁The ▁first ▁works ▁attributed ▁to ▁Mas ac cio ▁are ▁the ▁San ▁Gi oven ale ▁Tri pty ch ▁( 1 4 2 2 ), ▁now ▁in ▁the ▁Museum ▁of ▁Cas cia ▁di ▁Reg g ello ▁near ▁Florence , ▁and ▁the ▁Virgin ▁and ▁Child ▁with ▁Saint ▁Anne ▁( S ant ' An na ▁Met ter za ) ▁( c . ▁ 1 4 2 4 ) ▁at ▁the ▁U ff izi . ▁ ▁The ▁San ▁Gi oven ale ▁alt arp ie ce ▁was ▁discovered ▁in ▁ 1 9 6 1 ▁in ▁the ▁church ▁of ▁San ▁Gi