Stamp collecting guide
Postage stamps around the world
The "Treskilling" Yellow also known as the three schilling banco error of color is a Swedish postage stamp of which only one stamp is known to exist.
The Benjamin Franklin Z-Grill stamp is a remarkable piece of American history and a testament to the skill and artistry of the engravers and printers who created it.
The stamp gets its name from the fact that the central image of a Curtiss JN-4 biplane was accidentally printed upside-down, making it a highly sought-after item among stamp collectors.
The Two Penny Blue stamp is an iconic postage stamp from the United Kingdom that was issued in 1840, just a few months after the famous Penny Black stamp.
Postage stamp value
