Welcome to tPF!
I saw your post there and found the same problems as the members there found. The "G" plant code has only been found in a few purses and briefcases from that time period, and the ones that seem to be genuine are very different in the fonts, format and basic details from the one you're asking about.
The first picture below is a genuine bag from that plant and made only 4 months from the date in your briefcase, but both the creed stamp and the serial number (the two were always stamped separately during this time period) are very different. The first one is from December 1995 (the code on yours would be August 1995 if it was genuine).
The second is from the same plant, year AND month as the date in yours, and was in a genuine bag. Yours should have an H5G prefix identical to this one, but it doesn't. The creed stamp, from the Coach logo at the top to the spacing of the letters, should also be identical and it's not.
The genuine G plant creeds from 1995 should have the serial prefix digits much farther apart than yours, the G should be slightly larger, and the "Made In the United States" at the bottom should be in slightly smaller letters than the rest of the creed stamp.
The third one from January, month code A, shows the same details as the first two.
I was also able to find one of the two fakes with the H5G- prefix that the Ebay poster mentioned, and it's a screamingly obvious fake, the year code 5 for 1995 is five years before those Signature C fabric styles were even made. Here it is if you haven't seen it yet:
http://www.ebay.com/itm/Coach-Backp...5?pt=US_CSA_MWA_Backpacks&hash=item3f2b3a5a65
I'm sorry, but everything I'm seeing says Fake, even the leather part of the turnlock tab isn't quite right, both the shape and stitching. And I'd love to see the inside pocket and entire leather panel it's attached to, the fakes makers often get that wrong.