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Ptolemy’s first projection, with the “finest Ptolemaic plates produced until Gerard Mercator”
1 × £300,000 -
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“Nothing was more important for [ancient] Geography than to know the size of the Earth, and nothing seemed more difficult to undertake” (Cassini)
1 × £75,000 -
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Bordone’s Isolario in contemporary binding
1 × £40,000
Rare Maps
Rare Atlases
Rare Books
Rare Prints
Ptolemy’s first projection, with the “finest Ptolemaic plates produced until Gerard Mercator” 
“Nothing was more important for [ancient] Geography than to know the size of the Earth, and nothing seemed more difficult to undertake” (Cassini) 
Bordone’s Isolario in contemporary binding 