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Prooflike and DMPL Morgan Dollar coins—Morgandude’s views. With pictures
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<p>[QUOTE="Morgandude11, post: 7592276, member: 37839"]I said that I was going to explain the phenomenon of PL (proof like) and DMPL (Deep Mirror Proof Like) coins, with photographic examples. Now, I will attempt to fulfill that promise, after the Coinweek article posted earlier. At any rate, both coins were not unique in being business strikes, with a proof like appearance. Other coins have examples of the same process. However, it has occurred more frequently with Morgan Dollars, and there are many affordable and available examples. First, let’s start with some samples, in frequently collected grades—MS 63, and MS 64. I have selected examples that I consider typical of both categories, and are strong, appealing examples of both type:</p><p><br /></p><p>MS 63 PL</p><p>[ATTACH=full]1307827[/ATTACH] [ATTACH=full]1307828[/ATTACH]</p><p><br /></p><p>MS 64PL</p><p><br /></p><p>[ATTACH=full]1307829[/ATTACH] [ATTACH=full]1307830[/ATTACH]</p><p><br /></p><p>Both of these coins show characteristics of the PL type of coin. Highly polished dies, or dies loaded with die polish struck these coins, and left a highly reflective, strongly contrasting surface. The fields are mirrorlike, and the devices frosty, and have a bright, Prooflike appearance. These coins were not double struck—they show evidence of the process of die polish transfer on the planchet. Striations in the fields are common, and it looks as if there may have been evidence of contact. This is as a result of the abrasive effect of the highly polished die, and often exaggerates marks on the coin. </p><p><br /></p><p><br /></p><p>Now, for the DMPL. These are the “stars” of this phenomenon. If Prooflike coins look like proofs, then DMPLS look like Cameo proofs. They have a higher degree of reflectivity in the fields, and deep, cameo-like contrast between the devices and fields. They have that “black background” look, as opposed to the “shaving mirror” appearance of a PL coin. People often attempt a “read the text in the mirror “ approach to reflective depth. This is often a mistake, as a high grade, high luster Morgan can be shiny and mirrorlike, but is lacking in the appropriate amount of contrast. Ok, enough chattering. Here are two DMPLs:</p><p><br /></p><p>MS 63 DMPL</p><p>[ATTACH=full]1307841[/ATTACH] [ATTACH=full]1307842[/ATTACH]</p><p><br /></p><p>MS 64 DMPL</p><p><br /></p><p>[ATTACH=full]1307843[/ATTACH] [ATTACH=full]1307844[/ATTACH]</p><p><br /></p><p>As can be readily observed, the DMPL coins look like cameo proofs. They have the extreme dark and light effect of a cameo proof. The same die markings such as striations, die polish residue, luster breaks, and polish strike throughs are apparent on both types of coins. It is just exaggerated even more with a DMPL. Imagine a modern proof, with the cameo effect, in a 120 year old plus coin!</p><p><br /></p><p><br /></p><p>I hope this gives a good illustration of the two types of business strike Morgans that hold many characteristics of a proof coin. Hopefully, this shows why they are prized by Morgan aficionados.[/QUOTE]</p><p><br /></p>
[QUOTE="Morgandude11, post: 7592276, member: 37839"]I said that I was going to explain the phenomenon of PL (proof like) and DMPL (Deep Mirror Proof Like) coins, with photographic examples. Now, I will attempt to fulfill that promise, after the Coinweek article posted earlier. At any rate, both coins were not unique in being business strikes, with a proof like appearance. Other coins have examples of the same process. However, it has occurred more frequently with Morgan Dollars, and there are many affordable and available examples. First, let’s start with some samples, in frequently collected grades—MS 63, and MS 64. I have selected examples that I consider typical of both categories, and are strong, appealing examples of both type: MS 63 PL [ATTACH=full]1307827[/ATTACH] [ATTACH=full]1307828[/ATTACH] MS 64PL [ATTACH=full]1307829[/ATTACH] [ATTACH=full]1307830[/ATTACH] Both of these coins show characteristics of the PL type of coin. Highly polished dies, or dies loaded with die polish struck these coins, and left a highly reflective, strongly contrasting surface. The fields are mirrorlike, and the devices frosty, and have a bright, Prooflike appearance. These coins were not double struck—they show evidence of the process of die polish transfer on the planchet. Striations in the fields are common, and it looks as if there may have been evidence of contact. This is as a result of the abrasive effect of the highly polished die, and often exaggerates marks on the coin. Now, for the DMPL. These are the “stars” of this phenomenon. If Prooflike coins look like proofs, then DMPLS look like Cameo proofs. They have a higher degree of reflectivity in the fields, and deep, cameo-like contrast between the devices and fields. They have that “black background” look, as opposed to the “shaving mirror” appearance of a PL coin. People often attempt a “read the text in the mirror “ approach to reflective depth. This is often a mistake, as a high grade, high luster Morgan can be shiny and mirrorlike, but is lacking in the appropriate amount of contrast. Ok, enough chattering. Here are two DMPLs: MS 63 DMPL [ATTACH=full]1307841[/ATTACH] [ATTACH=full]1307842[/ATTACH] MS 64 DMPL [ATTACH=full]1307843[/ATTACH] [ATTACH=full]1307844[/ATTACH] As can be readily observed, the DMPL coins look like cameo proofs. They have the extreme dark and light effect of a cameo proof. The same die markings such as striations, die polish residue, luster breaks, and polish strike throughs are apparent on both types of coins. It is just exaggerated even more with a DMPL. Imagine a modern proof, with the cameo effect, in a 120 year old plus coin! I hope this gives a good illustration of the two types of business strike Morgans that hold many characteristics of a proof coin. Hopefully, this shows why they are prized by Morgan aficionados.[/QUOTE]
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Prooflike and DMPL Morgan Dollar coins—Morgandude’s views. With pictures
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