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Discussion Starter #1 (Edited)
Im mostly a revolver/22 auto guy in handguns as most probably know. As stated, Original 70s National Match Gold Cup 45 mint in original box with papers, no target no sleeve. Don’t think these had targets, too late I’d say. Unsure if they had little cardboard outer sleeve (like pre-70 did) and it’s the 2 piece orangish box with little gold cup on it. Label is correct and matching. Do earlier ones bring more than later original 70s? It was 1500 in package deal. Separate it will be more I’m about positive. It sure was purrrdy. Doubt i can swing it right now, thanks.
 

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Jot down the serial number and go to Colt's website and see what year it was made on their serial number lookup. GCNM MkIV Series 70 pistols were made from 1970 till about 1983 when the Series 80 mechanical firing pin safety was introduced. Generally the closer one gets to 1970 the more the pistol is worth given equal condition, box, etc. Below is the box my 1979 came in which I bought new in 1979.



Of course these guys have the collet or "finger" bushing and the roll pin in the Ellison rear sight was known to break after shooting for a time.
 

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Never had a roll pin break, but they were bad to walk out when shooting (easy fix).
 

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The roll pin on my 1979 broke at about 2K rounds. The sight did not FLY OFF THE GUN but both ends of the pin were there. I know a lot of folk put a solid steel pin in but I wanted to keep it all colt so called colt and they sent me a couple new ones in an envelope and they seemed heavier than the originals. It is still hanging in there after a couple thousand more rounds. I have had over 20 Gold Cups over the years by the way. I picked up a 1988 GCNM MkIV Series 80 several years ago in the used section of a LGS for $650. After shooting it several times I noted the roll pin was gone on one side during the field strip/clean/inspection. Called Colt and they sent me a couple new ones to put in again. The history of the 1988 is unknown to me. Anyway a picture of the sight off the pistol with the new and old roll pin....



On a positive side I have a 1978 Gov. I bought new in 78 and carried for years. It has over 40K rounds through it and still has the collet or "finger" bushing. It is semi retired these days but still shoot it every now and then.
 

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Every Colt I own that has adjustable sights has a solid pin...I haven't seen one with a roll pin.
 

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For value I have brought up before my 1979 was $369 new in 79 and my 2015 GCNM MkIV Series 70 was $1.1K new in 2015. Yet if go online and use an inflation tool I find 369 1979 dollars is close to to 1.2K 2015 dollars. Both are nice pistols however.

 

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It really comes down to condition on this one since it doesn't appear to have ALL the original box stuff. $1500 might not be too bad a price for post 70 GCNM in perfect shape. No idiot mark and 99% bluing, no rust or other scratches, original grips with good medallions, correct magazine, no buggered screws or pins. It goes without saying almost that such a specimen will not have a lot of miles on it. The pre-70 GCNMs seem to bring a bit more money for really nice examples. For the later models, you really need
a fully complete example to bring top dollar (2k more or less range).
 

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Discussion Starter #8 (Edited)
It has the manual plus another item or 2. It’s the early 2 piece box. I think it would be considered a complete package by most. Think it had the sight tool also. This was as mint as they come. Box had a little wear but not bad. This is one of those guns, if I don’t buy it, it probably won’t be sold until “the family does”.

I KNOW $1500 is a good price... problem is if I buy it separately, not taking the other 2 he wants to sell, it’ll be 1700-1800. He really didn’t “want” to sell this one. He would to me, but it’ll be a little higher. At that price I’ll probably pass. My GUESS is it’s a 1800-2000 gun. Figure there would be some “nib” Series 70 collectors to give an estimate. It is a Doll.

Also, I probably should have asked how much more does an early 2 piece box one mint bring than the later box instead of “if”. Thanks
 

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Discussion Starter #10 (Edited)
The one you posted looks like a Government model to me. This is an early NMCG series 70. I’ve saw them bring 1200-1300 without the box in past for a minty one. If it were a Gov late 70s-80s, I’d agree. Actually That gun 800-900 be my personal limit, it’d be worth a k. Thanks for your comment. I’m passing on it, I had a mint pre-70 in box I sold awhile back I had for years, so buying a series 70 doesn’t make much sense. I just liked the 2 piece box lol and it was as new.
 

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The late 70's Gold Cup I purchased had the roll pin in the back sight. I took it to one of the most respected 1911 smiths of that time to have some things done to it that were popular for that day. Squared trigger guard with hand cut checkering, solid match bushing, slide tighter fit, barrel lugs fitted for a tighter lock into the cuts in underneath of the slide, trigger set perfect, everything squared and trued, and had it turned two tone. Electrolysis nickle bottom with blued slide. (Wish I had not done that)

I will never forget though, that before I even left his shop he had already replaced the rear sight roll pin with a solid one.

It is by far the most accurate pistol I own.
 
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