"Grand Tour" Specimen Marble Paperweight, Italian, Late 19th Century at Paperweight with miniature mosaic, Italy, 19th century. Other Paper Case Stone Pattern (Nero Marquina) Paper Shoot Thailand "Grand Tour" Specimen Marble Paperweight, Italian, Late 19th Century at An Italian Grand Tour Porphyry and Sienna Marble Paperweight, late 19th. Nero Marquina paperweight with large centered micro mosaic of the Roman Colosseum. Grand Tour, Italy, 19th C. Style Number: B24A0096 Measurements 4. 37" long 0. 75" tall 3. 25" wide