Have I finally found GC??? If so what to do?

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Jun 9, 2005
Auto Zone this morning, checked out the Castrol racks, found two quarts of 0W-30, sure enough marked "Made In Germany" above the UPC. Could this be the first GC I've ever found, finally located? And if so...what to do...buy it or not...only vehicle I have on the road now is an 03 Explorer, which I usually use 5W-20 or 5W-30 in. Though with my winter OC due soon, I suppose I could mix the GC I think I found with a 5W-30 weight for a nice blend...? I live in New England. What do you guys think?
OK I was too excited and read more in this forum...looks like I found it! Now could someone point me to how to read the date codes please??? Thanks!
I want to make sure you get it right. If you see: M040236ATW2418346 16:38, that means the bottle was filled on the 23rd Julian day of 2004 at 4:38PM (It dawned on me after I typed this that as AD military you KNOW what 1638 means). If you see M05270XXXXXXX12:15, it means it was filled on the 270th Julian day of 2005 at 1215.
Thanks a lot guys! Went out today and bought 16 quarts, made a circuit around the city, mostly 03 and 04 dated.
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