Kevin:
Thanks for calling this bottle to my attention. Your suspicions were correct. Despite a relatively poor photo in the catalog, in my opinion, this bottle is unquestionably counterfeit and, moreover, it’s apparent it’s a bottle created by Rudy Kurniawan because the defects are identical to bottles he sold at Christie’s Auction on April 27, 2007.
Here is the best photo I can download of the main label of Lot 1243 of the upcoming Christie’s Finest and Rarest Auction to be held on May 31, 2013 in New York:

Here is a link to a full sized photo of this magnum: http://i1049.photobucket.com/albums/s385/doncornwell/Christies%20Auction%2005-31-2013/1962LaTachefromChristiesNYMay312013_zpsffcf621f.jpg
For those of you who recall the posts about the problems with the bottles in the Spectrum/Vanquish auction, some of the following problems the following should be familiar:
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The Aigu on Propriétaire shouldn’t be there on a 1962 vintage wine.
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The circumflex over the A in La Tâche shouldn’t be there on a 1962 vintage wine.
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The spacing on the word Appellation appears slightly too cramped–particularly between the initial “A” and the first “p.”
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The Appellation Controlée Line is somewhat miscentered under La Tâche --being indented more than a quarter inch on the left and extending to the end of Tâche on the right.
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The washed out four digit bottle number (0001 or 0601?) doesn’t quite align horizontally or vertically; the font doesn’t match other exemplars of 62 La Tâche either
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The "62" on the vintage date on the main label doesn’t align with "19" horizontally or vertically.
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Very uneven ink on 26,740 Bouteilles
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The printing on the first two lines of the main label appears smeared and darker in some areas and lighter in others
Compare the above with the following photo of the main label of a magnum of 1962 La Tache from the Grunewald Auction in October 2008:

Here’s a link to a full page photo of the 1962 La Tache magnum from the Grunewald auction:
Notice that the Grunewald magnum has no Aigu on Propriétaire and no circumflex over the A in La Tâche. The spacing on the word Appellation is appropriate and the green-colored AOC line is centered under the block La Tâche. The vintage date and bottle number properly align and the printing has consistent density across the label.
Even ignoring that the Christie’s bottle has a four digit bottle number, non-original short red wax capsule, the apparent defect in the glass in the upper part of the bottle neck and possible issues about the double-line border on the neck label, Lot 1243 in the Christie’s auction is an obviously counterfeit bottle. One must ask how Christie’s could have included the bottle in the catalog in the first instance, let alone after including a full page photo of the bottle.
It’s also apparent that this counterfeit magnum of 1962 La Tache originaled from Rudy Kurniawan because the defects are identical to several of the pre-1978 DRC bottles in the February 2012 Spectrum/Vanquish auction and in the April 27, 2007 Christie’s Auction in Beverly Hills. (Yes, that is the same auction which had magnums of 1982 Le Pin on the cover which were withdrawn at the request of the Chateau because they were counterfeit.) Here is a photograph of one of the main labels of a case of purported 1962 La Tache sold by Rudy Kurniawan in the April 2007 auction:

Here is a link to a full-sized photo of Lot 87 of the April 27, 2007 Christie’s auction:
Here is photograph of the main label of a case of 6 magnums of 62 La Tache sold by Rudy Kurniawan in the same auction:

Here is the link to a full-sized photo of the complete lot 88:
http://i1049.photobucket.com/albums/s385/doncornwell/Christies%20Auction%2005-31-2013/1962LaTacheMagnumsRudyChristiesApril2007_zps3b015e3a.jpg
Notice that the April 2007 bottles have the identical errors on the Aigu, the circumflex, the spacing on on the word Appellation and the slightly mis-centered green AOC line and the same misaligned vintage date.
SO, BUYER BEWARE!! Six years later Christie’s is still selling counterfeit wines made by Rudy Kurniawan. I’ll be checking what I can on other bottles in this auction.