Cannabis Indica October 12, 2016October 12, 2016 thcscience_admin Collegio del Cambio Pietro Perugino fresco at the Collegio del Cambio, 1497-1500 The Collegio del Cambio is the historic seat of the exchange guild in the Palazzo dei Priori in the city of Perugia, Italy. It was built between 1452 and 1457 and now houses a number of artistic masterpieces. Sources[edit] NY Times [1] External links[edit] Perugia [2] 43°06′40″N 12°23′18″E / 43.11111°N 12.38833°E / 43.11111; 12.38833 Authority control databases International ISNI VIAF National France BnF data United States Other IdRef