1871 Proof Sl Dollar - Coin Community Forum

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Author	Replies: 3 / Views: 866
TypeMaster Valued Member United States 224 Posts	Posted 12/08/2006 01:10 am Just wanted to post a photograph of a proof to support the discussion we have been having on Luster and Cartwheel of mint state coins of this date on another thread. https://goccf.com/t/9696 This is a good example of what I have found in my experience. Here we have a 1871 Proof SL Dollar and the overall eye appeal to me is highly mediocre at best. Little luster and cartwheel if any. Almost steel grey in appearance and not a "reach out a grab ya" coin in my opinion. I am spoiled to frosty cameo Morgans and deep luster type coins. Now, on the quarters of the SL series eye appeal and luster seem to abound. It seems that the lack thereof is really on the halves and dollars. I don't know why this is, but I suspect that it has to do with the relation of the strike pressure to the total planchet surface area. Simple physics comes into play. The smaller the planchet the less surface area. The pressure of the strike can be concentrated more effectively. With larger planchets the strike would need to be much heavier to have the same effect and I don't think the Mints consider that very much back in the early years. Comments? Report this Post to the Staff

okie-colin Pillar of the Community United States 1083 Posts	Posted 12/08/2006 08:48 am Man that is one BEAUTIFUL coin, with or without frosting! It "grabs me". I must leave to wipe off the drool. Report this Post to the Staff
SsuperDdave Moderator United States 23522 Posts	Posted 12/08/2006 3:59 pm I tend to agree with your theory, but the existence of lustrous Morgans belies it. I wonder if the SL's were basined differently, or not at all, and only the more concentrated strike was able to impart enough of the micro-roughness on the die to create luster? Report this Post to the Staff
TypeMaster Valued Member United States 224 Posts	Posted 12/08/2006 4:51 pm quote: Originally posted by SuperDave I tend to agree with your theory, but the existence of lustrous Morgans belies it. I wonder if the SL's were basined differently, or not at all, and only the more concentrated strike was able to impart enough of the micro-roughness on the die to create luster? You know... that is an excellent point!! I have often wondered if the silver was different in composition. Concentrated stike is the key I believe as it imparts the heat and pressure to create the "diamond" in my thinking. Has anyone found an article that would explain more of this theory? Report this Post to the Staff
	Replies: 3 / Views: 866

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