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Sometimes Third Party Grading (TPG) is Mystifying
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<p>[QUOTE="Al Kowsky, post: 4749247, member: 97383"]All the TPG companies use the Brown & Dunn grading system that came about in the 1950s. Later numerical values were added ranging from 70 to 1. NGC also uses Brown & Dunn grading for their ancient coins that have numerical equivalents too. PCGS has attempted to refine quality of strike on many modern coins like Franklin halves (FBL), & Jefferson nickels (FS). It's not impossible or really that difficult to equate an ancient coin to a U.S. coin in terms of grading. It takes exposure & experience.[/QUOTE]</p><p><br /></p>
[QUOTE="Al Kowsky, post: 4749247, member: 97383"]All the TPG companies use the Brown & Dunn grading system that came about in the 1950s. Later numerical values were added ranging from 70 to 1. NGC also uses Brown & Dunn grading for their ancient coins that have numerical equivalents too. PCGS has attempted to refine quality of strike on many modern coins like Franklin halves (FBL), & Jefferson nickels (FS). It's not impossible or really that difficult to equate an ancient coin to a U.S. coin in terms of grading. It takes exposure & experience.[/QUOTE]
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Sometimes Third Party Grading (TPG) is Mystifying
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