Currently there are 10 nautical maps of the 13 maps in the collection. Although the numbering goes up to XVI, according to a note from José Ruysschaert numbers XII, XIV and XV never reached the library. In the inventory preserved in Borg.lat.767, on ff. 253r-254r, the full sixteen are listed.

Sources

Biblioteca apostolica vaticana. (2011). Guida ai fondi manoscritti, numismatici, a stampa della Biblioteca vaticana. Biblioteca apostolica vaticana. pp. 362-363