I found two lovely papercraft shops in Rome - both with lots of handmarbeled paper: Here is the first store IL PAPIRO - also located in Firenze, Pisa, Siena, Cortona, Venezia, Melbourne, Palm Beach and London. Here is the second - Cartoleria Pantheon dal 1910 - located Three different Places in Rome: Via della Rotonda, 15, Piazza Navona, 42 and Via della Maddalena, 41 (the store I visited):