Above: Click the image for a full-sized version
La Rosa Colta: The first Glyph you find is also one of the easiest. While facing La Rosa Colta’s front door, climb the building’s façade until you reach the roof. The Glyph’s on the wall of the roof’s second tier.
Santa Croce: Clamber up onto the north side of Santa Croce’s lower roof, and look east.
Ospedale Degli Innocenti: Climb up onto the roof on the eastern side of the Ospedale, then face south. The Glyph should be visible from about the mid-point of the roof.
San Lorenzo: Squeeze in between the bell tower and the dome near the cathedral’s northwest edge; the Glyph is between them, on the bell tower’s southern wall.
Mercato Vecchio: Climb up onto the low roof at the northeast corner of the Mercato Vecchio and look for this mark on the eastern side: