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Message:: [QUOTE="justafarmer, post: 547629, member: 3926"]Sort of a follow up on my post from last week on using a CAD system for coin attribution. If you think it has merit as an attribution tool. And maybe working as a group here at CoinTalk – developing a universal process, (CoinTalk standard so to speak) in its application so the information can be easily shared and accuracy improved. Just a starting point Step 1. Using a scanner - scan the entire coin using a standard scan area ( say 2 inches) with standard scanner settings. Step 2. Plot a point on the southeast corner of the (I) in the "IN GOD WE TRUST" motto. Step 3. Draw a line from the above point to the tangent of the southwest corner of the (T) in the motto of "IN GOD WE TRUST" Step 4 Create the (Y) axis with a perpendicular from the above line to the 1st tangent point on the west side of the number (1) in the coin's date. Step 5 Create the (X) axis using a parallel line of the motto to the 1st tangent point on the south side of the last numeral in the date. Step 6 Pull a parallel from the (X) axis to the 1st tangent point on the north and south sides of the mint mark. Step 7 Pull parallel lines form the (Y) axis to the 1st tangent points on west and east sides of the mint mark. Step 8 obtain the coordinate points of the line intersections of the mint mark tangents.[/QUOTE]