Map Of Pinellas County map pinellas pasco tampa 400 X 450 pixels were hand-colored past the 1850s. once a magnifying glass allow a close see at the color. If you see a matrix of small and even overlapping dots after that 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.
Map Of Pinellas County map pinellas pasco tampa 400 X 450 pixels were mostly engraved on metal plates in reverse as a result that they could be printed. once printing the pressure from the press and its engraved plate into the paper leaves a "plate mark" or indentation vis--vis the Map Of Pinellas County map pinellas pasco tampa 400 X 450 pixels. If you have a plate mark on your map be positive to see all the way vis--vis to see if anything was printed more than the plate mark. If there is printed material spilling more than the plate mark, you have a fake. Thanks for visiting my blog, article above(Map Of Pinellas County) published by admin at January, 18 2018