Rub Maps Houston houston district j map picture ideas references 900 X 600 pixels were hand-colored before the 1850s. similar to a magnifying glass endure a close see at the color. If you see a matrix of small and even overlapping dots then you have a map made after the 1900s. Your map may say 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 district j map picture ideas references 900 X 600 pixels were mostly engraved upon metal plates in reverse fittingly that they could be printed. similar to printing the pressure from the press and its engraved dish into the paper leaves a "plate mark" or indentation almost the Rub Maps Houston houston district j map picture ideas references 900 X 600 pixels. If you have a dish mark upon your map be clear to see all the pretension almost to see if all was printed on top of the dish mark. If there is printed material spilling on top of the dish mark, you have a fake. Thanks for visiting my blog, article above(Rub Maps Houston) published by admin at January, 18 2018