The Contarini–Rosselli map was designed by Giovanni Matteo Contarini and engraved by Francesco Rosselli.
These maps were commissioned by the Portuguese and Spanish governments, which wanted to create trade monopolies over the regions they depicted.
The royal powers worried that leaked information about geography could make it easier for other nations to challenge their supremacy.
[1] This situation changed drastically from 1506 to 1507 when three separate efforts to produce world maps were published.
By contrast, Johannes Ruysch's 1507 map of the world was much more widely published and many copies were produced and still exist.