Quick update - My LBS had a 36mm flat wrench and loosened the drive side cup in like 2 seconds
. Removed the cup and gave the frame a thorough clean and degrease. Not really much rust buildup except for some in the BB shell. Some WD40 in there and in the steerer/seat tube and drying it overnight. Next up - wax and shine! No pictures at this point as there is no discernible difference to the one I posted
