Porcacchi's world map is a finely executed reduction of Camocio's Wall Map of 1567, one of the last wall maps to follow Gastaldi's wall map of 1546.
The map shows a narrow strait between America and Asia. California is shown as a peninsula. Limited information on the east coast, although Florida is named. No obvious entry for either the Hudson or St. Lawrence Rivers. The Amazon is depicted, but flowing north-south. Massive southern continent shown, along with a north polar land mass.
A terrific early world map and one of the few opportunities to acquire an example of the Gastaldi World map.