Dating old maps
Some helpful people on Twitter were able to help me narrow it further down to probably a mix of the territorial situation between 19 due to the representation of Sandzak (see the Twitter discussion here) So how do I usually date this?
Obviously as a professional cartographer with a strong interest in history I know of the major territorial changes (splitting up of the USSR, German reunification, decolonization etc etc), but sometimes I need more tools.
The developments of Greek geography during this time, notably by Eratosthenes and Posidonius culminated in the Roman era, with Ptolemy's world map (2nd century CE), which would remain authoritative throughout the Middle Ages.
After attempting to decipher the code using a dictionary and the Bible, Sherlock goes out into Baker Street and appropriates a copy of the A–Z after seeing it being used by a couple of tourists.Names of individual businesses, property lines, and addresses were also often recorded.Together these maps provide a rich historical shapshot of the commercial activity and urban landscape of towns and cities at the time. These plans were made for most important towns and cities of the British Isles at the scales of 0 (1 inch to 40 feet), as well as many foreign towns at 0 (1 inch to 50 feet).In addition, A–Z provided special sections relating to the Games in their 2012 editions of their main UK-wide and local maps. It’s a map from the “Atlas of European History”, an old atlas in my collection.