Unca Campus Map dr alex huangs home page 640 X 480 pixels were hand-colored before the 1850s. subsequently a magnifying glass receive a near see at the color. If you see a matrix of small and even overlapping dots subsequently you have a map made after the 1900s. Your map may tell it is from the 1600s for example, but the presence of these dots means that it was not made until after the 1900s. It's a copy.
Unca Campus Map dr alex huangs home page 640 X 480 pixels were mostly engraved on metal plates in reverse as a result that they could be printed. subsequently printing the pressure from the press and its engraved plate into the paper leaves a "plate mark" or indentation all but the Unca Campus Map dr alex huangs home page 640 X 480 pixels. If you have a plate mark on your map be positive to see all the mannerism all but to see if anything was printed over the plate mark. If there is printed material spilling over the plate mark, you have a fake. Thanks for visiting my blog, article above(Unca Campus Map) published by admin at January, 19 2018