1971-D NGC MS66 - Struck on Proof Planchet?

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FS-801
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1971-D NGC MS66 - Struck on Proof Planchet?

Post by FS-801 » Tue Sep 19, 2017 10:38 am

Hello all. It's been quite a while since I posted here, but that doesn't mean I haven't been busy with Ikes. I'm busy as ever, and thanks to Brian Vaile, I recently added a very nice VEDS 1971-D FEV (PCGS MS66) to my registry set. The other day I purchased a 1971-D (NGC MS66) that caught my eye when surfing eBay. It appeared to be very reflective (PL?) in the seller's photos. Here is the link:

http://www.ebay.com/itm/1971-D-Eisenhow ... 2749.l2649

The price wasn't bad at all at less than half the price guide value, so I pulled the trigger. Either way, it's a nice Ike to have. I received the coin yesterday, and it's a stunner. I took additional photos. I noticed right away that there is no sign of planchet chatter either on the bust or in the fields. Could this Ike have been struck on a proof planchet?
Attachments
1971-D Eisenhower NGC MS66 slab2.JPG
1971-D Eisenhower NGC MS66 slab3.JPG
1971-D Eisenhower NGC MS66 slab4.JPG
1971-D Eisenhower NGC MS66 slab5.JPG
My Eisenhower Dollar Complete Variety PCGS Registry Set: http://www.pcgs.com/setregistry/publish ... x?s=119137

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FS-801
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Re: 1971-D NGC MS66 - Struck on Proof Planchet?

Post by FS-801 » Tue Sep 19, 2017 3:41 pm

I forgot to include a picture of the reeded edge. Here it is:
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1971-D Eisenhower NGC MS66 slab6.jpg
My Eisenhower Dollar Complete Variety PCGS Registry Set: http://www.pcgs.com/setregistry/publish ... x?s=119137

twitcherroo
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Re: 1971-D NGC MS66 - Struck on Proof Planchet?

Post by twitcherroo » Tue Sep 19, 2017 11:27 pm

Weren't all the proof planchets in '71 silver? Either way that's a great looking coin.

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AndyO
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Re: 1971-D NGC MS66 - Struck on Proof Planchet?

Post by AndyO » Wed Sep 20, 2017 9:19 am

Long story short, years ago we developed a hypothesis that the mint planned to make clad proof Ikes for inclusion in the proof sets in 1971. That plan got scrapped due to the enormous manufacturing problems the mint had during the first couple years striking clad business strike Ikes, and only silver proofs were stuck since it was an easier process on the softer silver clad planchets.

We surmised that the clad proof planchet stock was instead sent to Denver for use as business strike coins.

To date there is no black and white evidence of this, however, we did piece together a trail that would have been feasible.
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Re: 1971-D NGC MS66 - Struck on Proof Planchet?

Post by twitcherroo » Wed Sep 20, 2017 1:18 pm

Andy - very cool. Do you suppose these exist for both '71 & '72 or just '71? I'll have to keep my eyes open differently.

Thanks.

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Re: 1971-D NGC MS66 - Struck on Proof Planchet?

Post by AndyO » Wed Sep 20, 2017 6:04 pm

Just 71...

...we think....

Again, it's a hypothesis. It could be totally untrue, so take it as you feel best.
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FS-801
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Re: 1971-D NGC MS66 - Struck on Proof Planchet?

Post by FS-801 » Wed Sep 20, 2017 8:15 pm

Thanks, Andy.
My Eisenhower Dollar Complete Variety PCGS Registry Set: http://www.pcgs.com/setregistry/publish ... x?s=119137

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19Lyds
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Re: 1971-D NGC MS66 - Struck on Proof Planchet?

Post by 19Lyds » Wed Sep 20, 2017 10:07 pm

AndyO wrote:Long story short, years ago we developed a hypothesis that the mint planned to make clad proof Ikes for inclusion in the proof sets in 1971. That plan got scrapped due to the enormous manufacturing problems the mint had during the first couple years striking clad business strike Ikes, and only silver proofs were stuck since it was an easier process on the softer silver clad planchets.

We surmised that the clad proof planchet stock was instead sent to Denver for use as business strike coins.

To date there is no black and white evidence of this, however, we did piece together a trail that would have been feasible.
The hard facts are that San Francisco DID send planchets and various other items to the Denver Facility as evidenced by the 72-S, 74-D, and 77-D 40% Silver IKE's. It is also evidenced by the Type B Rev 1969, 1970, 1971, and 1972 Washington quarters. This is undisputable evidence.

I have no reason to believe that once planchets were prepared for CnClad proof coins and the program scrapped, the planchets were then sent to Denver. While the coins do not present a "mirrored" background, they do have backgrounds that are noticeably different from the business strike blanks.
I cannot and will not be held responsible for my typing errors as it appears that there is a bug in the keyboard!
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