Guns N' Roses Use Your Illusion I Tour T-shirt Size Small/Medium Authentic?

Description

Guns N' Roses Use Your Illusion I tour t-shirt in size medium (closer to a small).
I am unsure if this is a authentic or a reproduction, but I can tell you this about the shirt:
This was purchased about 16 years as "New Old Stock", so was supposedly either a true tour shirt or supposedly just leftover bootleg stock from the tour. Not sure which the seller claimed.
The shirt itself is definitely fairly old, based on the Hanes Fifty-Fifty tag and the material/fit.
Shirt itself is in excellent condition. No stains, tears, smells, signs of wear, etc. Smoke-free/pet-free home. Only worn a few times at most. Always washed in cold water and hung dry.
Shirt is extremely soft.
Printing is in great shape. It's difficult to remember since this was purchased so long ago, but if I recall correctly, when first purchased the printing felt real rough and seemed pretty old and possibly not cured properly. I believe due to that, some of the print has worn off, making it almost appear purposefully vintage.
Length (top of back collar to bottom hem) - approximately 29"
Pit-to-Pit - approximately 18"
Any questions, feel free to ask. Thanks.