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<p>[QUOTE=&quot;proofartoncircs, post: 1238005, member: 25952&quot;]There are several examples of higer relief proof dies and the mint used to cover up their existence and deny that they happened.</p><p><br /></p><p>Here are 5 case histories</p><p><br /></p><p>Consider the 1994-2008 proof cents.&nbsp; In 1993 the mint came up with the reverse die narrow AM cent in lower relief.&nbsp; This was probably done to maximize die life and to make the production of &quot;one-squeeze&quot; working dies easier.&nbsp; It was decided that the proofs should go back to the previous artwork.&nbsp; Now make up a roll of pre 1993 cents and a roll of 1993 and later cents.&nbsp; The difference in length is obvious.&nbsp; Hence, I am calling the longer roll type higher relief.</p><p><br /></p><p>Consider the 1971-1972 Ikes.&nbsp; THe 1972 P type 2 matches the proof dies of 1971 - 1972.&nbsp; I have no problem separating type 1&#039;s from type 2&#039;s by touch alone.</p><p><br /></p><p>The 1937-1964 silver type B quarter reverse was made from a type A hub by scooping away the field.&nbsp; It sure looks like enhanced relief.&nbsp; THe type B had centerlines added to the tailfeathers and was in use in 1968 - 1972 in the clad era.</p><p><br /></p><p>The 1968 to 1972 type B like proof dies are certainly in higher relief than the clads.&nbsp; This is because the silver quarters were in higher relief.&nbsp; There was also a 1968 S special proof die.&nbsp; Similiar to the 1937 effort, the field of a hub was trimed.&nbsp; THere were 4 varieties of 1968 S proofs.&nbsp; These same 4 show up on the 1969 D&#039;s.&nbsp; I can separate out both proof artwork varieties by touch alone.</p><p><br /></p><p>THe eagle on a proof 1956 (most) - 1963 Franklin half is bolder on the proofs.[/QUOTE]</p><p><br /></p>

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