Rhodes or somewhere

Although the card was sent to me from China, after a lot of digging around the internet, I'm fairly sure this is a map of Rhodes drawn by Konrad von Grünenberg in his description of a journey from Kontantz to Jerusalem in the 15th century.

You can see a much larger version here.  I find it amazing that something like that can survive for 600 or so years.  I somehow doubt my postcard will make it that long.