Le Royaume de Siam avec Les Royaumes Qui Luy sont Tributaries & c.

Part of Mortier's large Format multiple sheet Map of the Kingdom of Siam, Malaysian Peninsula, Singapore, Indonesia, etc. A gorgeous full color example of Pierre Mortier's map of Southeast Asia, extending from Thailand, Cambodia, Viet Nam, and the Malay Peninsula and Gulf of Bengal in the North, to Java and Sumatra in the South, centered on Malacca and Borneo.
One of the more fascinating notes shows a discovery attributed to "Pierre Bertollo" in 1633 near Singapore, referred to as the "Canal de Consicao de N(uestra) S(enhora)." This note references the Portuguese captain Pedro Bertollo's "discovery" of a new passage from south of Bintan and Galang and west of the Karimun Islands, which extended through the heart of the Riau Archipelago in 1633, corresponding with the first year that the Straits of Singapore and Malacca were blockaded by the Dutch East India Company.
Here is the one sheet out of the two.