1908-1922 10¢ Washington/Franklins
(read how to identify your stamp below)
This is the 10¢ Washington or Franklin. It is quite common and usually worth no more than a couple of dollars when used, however it can have reasonable value when unused. If you wish to try your luck read on... DETERMINING THE PERFORATIONS Count the perforations along the bottom, its as simple as that! Some stamps are only perforated on two sides, these are called coils, if you have one of these that have no perforation on the top or bottom, please refer to the illustration below. There are two variations of the vertical coil stamp, or should I say the stamp with no perforations on the top and bottom. The only one you will see is the one with 10 perforations. Those with 12 perforations are so rare that they will come to you accompanied by a certificate stating that they are a 12 perforation. Needless to say this stamp is forged frequently. Below is a chart indicating the perforations of each Stamps Catalog #. Table cells that are shaded refer to coil stamps. As you can see the Washington design only comes in perforation 12.
Shaded rows represent coil stamps DETERMINING THE PRINTING The only rotary press stamp is the Franklin design in the coil format (no perforations on the top or bottom) . Otherwise all the stamps are printed by the Flat Plate print method, as shown below.
Shaded rows represent coil stamps DETERMINING THE WATERMARK To know which watermark a stamp has, one needs watermark fluid or lighter fluid (both of these are extremely flammable and should be used with extreme caution, outside, in a safe area far away from combustible materials). Soak the stamp in the fluid in small plate with a black or very dark color. The watermark will show, sometimes faintly by looking at the back of the stamp. The watermark fluid will quickly evaporate from the stamp, leaving the stamp and its gum intact. There are two types of watermark you will come across. These are;
The watermark will have part or all of the letters U, S or P, as shown above. The upper USP letters are made of double lines, this is known as watermark 191. The lower UPS is made of single lined letters, this is known as watermark 190. There are two varities that have no watermark. Below is a chart indicating the type of watermakring that can be found on each stamp.
Shaded rows represent coil stamps DETERMINING THE PAPER Identifying the type of paper the stamp was printed on is not easy. Usually one does not need to bother with this as over 99% of the 10¢ are printed on regular paper and their price is un-affected by the type of paper. There are two types of papers that the Post Office experimented with in an attempt to save on costs. These are all rare, they are;
China Clay Paper However, having said all this, certificates are issued for these (on what basis I have no idea), and they do sell at a premium. According to Scotts the paper was accidentally given a high mineral content (its aluminum) and the paper is thick, hard and grayish, often darker than "bluish" paper. The differences are, shall we say, subtle. My advise is not to buy even a certificated version, as Scotts has little supporting evidence to have awarded this category of paper catalog status. Bluish Paper
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