Rub Maps Houston houston map usa picture ideas references 1166 X 526 pixels were hand-colored previously the 1850s. in imitation of a magnifying glass agree to a close look at the color. If you look a matrix of little and even overlapping dots next 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.
Rub Maps Houston houston map usa picture ideas references 1166 X 526 pixels were mostly engraved on metal plates in reverse as a result that they could be printed. in imitation of printing the pressure from the press and its engraved dish into the paper leaves a "plate mark" or indentation just about the Rub Maps Houston houston map usa picture ideas references 1166 X 526 pixels. If you have a dish mark on your map be positive to look every the habit just about to look if all was printed higher than the dish mark. If there is printed material spilling higher than the dish mark, you have a fake. Thanks for visiting my blog, article above(Rub Maps Houston) published by admin at January, 18 2018