Decided to post a consolidated thread for online eBay, CL, Kijiji finds instead of the individual thread per item.
For now here's what I found:
Crouse Hinds mercury floodlight on Kijiji
linkPowerlite Wallpack...nothing special and plus it's 347v only reason I added it here is because it was made by Powerlite.
link175w merc AEL 113 it seems the seller has a few of them since there's both a
BIN listing along with a traditional
auction listing. Same thing applies for this 175w merc M-250A2
BIN, auction. Finally
here's a nice old incandescent gumball.