very old Antique

[anthony]

Hi I have these old cards, with information about city's population,and castles placed around the UK. One saying London is the bigest city in the word, can you tell me any think about them as i have someone interested in them.And i don't know how much there worth, iv been offed a hundred pounds, wot do you think,pleas leev me an email.              
        Anthony.

[Laura08]

i found the link below, it doesn't help a lot but it shows the only time I could find that population was in 1570, it would help if you know the maker of the cards or when they were made.

http://en.wikipedia.org/wiki/Demographics_of_England