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Mike Christie
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  • Cold Spring Harbor, NY
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Mike Christie's Discussions

More sales price information added for National Geographics

For those interested, I've recently added several hundred more prices from eBay to the database at XYZ Collectibles.  The link is…Continue

Started Feb 26, 2013

Website for valuation of old National Geographics

We've updated the XYZ Collectibles website so it now has a "Price History" feature, which you can use to find out how much an individual issue of National Geographic is likely to cost (or what it…Continue

Tags: price, valuation, value

Started Mar 25, 2012

Web checklist for maps and supplements

I posted a few weeks ago about the checklist for National Geographic available at …Continue

Tags: maps, supplements

Started Mar 18, 2012

Tracking which issues you have
10 Replies

I posted this in another forum here; not sure where the right place to put this is. I recently started a website for magazine collectors to track their collections, and I thought that users of this…Continue

Started this discussion. Last reply by Erin Mar 24, 2012.

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Latest Activity

Melvin L. De Vilbiss replied to Mike Christie's discussion September 2008 supplement in the group Map and Supplement Collectors
"Jim, Not only does it clear it up, your input also shows me I should be more explicit with my statements. When I make such declarative statements as "No such supplement 'by that name' exists..." I should clearly indicate that I…"
Nov 15, 2013
Jim replied to Mike Christie's discussion September 2008 supplement in the group Map and Supplement Collectors
"The insert "Incredible India" is from 2008 and was an insert for National Geographic Traveler. It appears that it was glued to a page in the magazine. Mine has marks on the back from the sticky glue. I hope this clears up any confusion…"
Nov 15, 2013
Mike Christie replied to George Thomas Wilson's discussion March 28, 1891 South America Map in the group Map and Supplement Collectors
"Beautiful!  I've uploaded it; a very nice pic -- and a beautiful map. Thanks Mike"
May 14, 2013
Mike Christie replied to George Thomas Wilson's discussion March 28, 1891 South America Map in the group Map and Supplement Collectors
"Thanks, Mel. I've now added the South America map to the "All supplements" collection, though I don't have a picture of it -- if someone has uploaded a picture here somewhere, let me know.  If there are other supplements I…"
May 14, 2013
Mike Christie replied to George Thomas Wilson's discussion March 28, 1891 South America Map in the group Map and Supplement Collectors
"Thanks for spotting this -- I will be glad to add it.  I'll wait and see if Melvin knows a reason why it might not be considered a supplement, but for the "All supplements" list it seems reasonable to add it. Mike"
May 13, 2013
George Thomas Wilson replied to Mike Christie's discussion New "all supplements" collection added at XYZcollectibles in the group Map and Supplement Collectors
"Thanks Mike (and Philip), I transferred my info to the new collection.  Since the old one is just a subset of the new. I'll just delete it. Tom"
May 13, 2013
Mike Christie added a discussion to the group Map and Supplement Collectors
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New "all supplements" collection added at XYZcollectibles

With the help of Philip Riviere, I've added a new collection to XYZcollectibles (http://xyzcollectibles.com). I already had a "loose supplements" collection; Philip pointed out that this omits quite a few supplements that are included with most lists, such as Buxbaum and Nathan.  I've now created a collection that includes all the loose supplements and also includes all the additional ones; I've called it "National Geographic - all supplements".If you're…See More
May 12, 2013
Mike Christie posted a discussion

More sales price information added for National Geographics

For those interested, I've recently added several hundred more prices from eBay to the database at XYZ Collectibles.  The link ishttp://xyzcollectibles.com/guests/collection_summary?defined_collection_id=179&detail=pricesClick on the little dollar signs to the right of each issue and it will show you the details, including the condition of the magazine, the seller and the date of…See More
Feb 26, 2013
Mike Christie replied to Mike Christie's discussion September 2008 supplement in the group Map and Supplement Collectors
"At the moment it doesn't sound like this qualifies, so I'm not going to add it to XYZ.  Thanks for the information!"
Aug 25, 2012
Mike Christie replied to Melvin L. De Vilbiss's discussion Inventory list for Map Indexes in the group Map and Supplement Collectors
"Based on Mel's research, I've now created the map index collection on XYZ; it can be seen at this page.  I'd be glad of any comments or corrections.  Also, if anyone has copies of indexes for which we have no picture,…"
Aug 25, 2012
George Thomas Wilson replied to Mike Christie's discussion September 2008 supplement in the group Map and Supplement Collectors
"That's absolutely correct, Mel.  What I was describing was the pull out only, not the pocket it came in.  The pocket has another title: "Just How Thirsty is Our Planet and Can it be Quenched?" and a bit more info…"
Aug 21, 2012
Melvin L. De Vilbiss replied to Mike Christie's discussion September 2008 supplement in the group Map and Supplement Collectors
"No such supplement "by that name" exists for the year of 2008 - or any other year for that matter. No supplement exists for that month of that year. To eleborate more on what Mike described below: The Dow advertisment is a bound…"
Aug 21, 2012
George Thomas Wilson replied to Mike Christie's discussion September 2008 supplement in the group Map and Supplement Collectors
"Mike, There does seem to be a Dow advertizement supplement from this issue with 2 world maps entitled "Signs & Solutions for a Thirsty Planet".  I cannot find anything on "Incredible India" other than the fact that it is…"
Aug 21, 2012
Mike Christie added a discussion to the group Map and Supplement Collectors
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September 2008 supplement

Unless I'm missing it, Philip did not include a September 2008 supplement in his excellent photo albums of all supplements.  However, I see ebay listings for what appears to be a supplement for that month, titled "Incredible India".  If anyone has a copy, could they confirm that this is a supplement for that month?  Thanks. MikeSee More
Aug 21, 2012
Mike Christie replied to Melvin L. De Vilbiss's discussion XYZ Collectibles in the group Map and Supplement Collectors
"Mel That's very helpful.  (I would have replied to your message but for some reason I don't see a reply button on your message, so I'm replying to the one above.) I would eventually like to add these, but I would guess far fewer…"
Aug 19, 2012
Mike Christie replied to Melvin L. De Vilbiss's discussion XYZ Collectibles in the group Map and Supplement Collectors
"I've now added the August 2000 Sydney Olympics and June 2007 Water supplements; and I'm enjoying this too, and also learning. I do have another supplements question that perhaps one of you can help me with.  I've been going…"
Aug 19, 2012

Profile Information

Hometown:
Cold Spring Harbor
About Me:
Working on a website for magazine collectors
Website:
http://xyzcollectibles.com/guests/show_only_defined_collection?defi...

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