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<p>[QUOTE=&quot;paddyman98, post: 2313049, member: 44615&quot;]What you have is called a Struck Through Grease. When a Mint employee cleans a die with a cloth that has grease, it could get released onto certain areas of the Die clogging the Numerals, Letters, Designs. It&#039;s a very minor error and a very common find.</p><p><br /></p><p><b>Definition: </b>The recesses of a die sometimes become clogged with compacted gunk generally composed of a mixture of lubricant, metal dust, and dirt.&nbsp; This material is sometimes called “die fill” but is more commonly referred to as “grease”.&nbsp; Die fill can be coarse or smooth, hard or viscous.&nbsp; It can fill isolated design elements (a “filled die” error) or can coat the entire die face.&nbsp; Coatings are sometimes so thick that the entire design is obscured.[/QUOTE]</p><p><br /></p>

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