If we are correct they are one in the same. The entrance to the leather shop by pass used to be the pizza 2 go location which used to be the dry cleaners.
So as per this National Post article from 2011 (
https://nationalpost.com/posted-tor...ilers-at-union-are-asked-to-close-doors-early):
"Commuters Bar, with its brightly coloured murals of sports stars and tiled floors and walls, would be a strange fit for the glossy, mall-like environment depicted in architectural renderings of the post-renovation retail concourse.
Canada’s busiest transit hub will be losing several other mainstays. Go-Go Dry Cleaners, next door to Commuters, had been laundering riders’ clothing for about 25 years. It closed the same day as the bar. Nearby is Leather One, a store that has sold luggage and shoes in the station, its owner says, since 1983.
Across the hall was the Amuse-O-Matic, Toronto’s last pinball arcade, whose owners say it opened in 1965, and which closed on April 30."
Based on this I think the "leather shop" was "Leather One" as it's described as being nearby to Commuters. It was still open in 2011 as per the article, as was "Pizza 2 Go" as the photo on Yelp was posted in 2011.
So I think they were both open at the same time, and were not in the same location, but right beside each other.
The old tunnel to the subway was where the "Leather One" was and the pizza place was just west of there in a very narrow unit.
I attached a diagram of where I think things were located. Again, there is some guessing involved and I could be wrong here.
Also as per
https://cptdb.ca/wiki/index.php/Toronto_Union_Station :
"Before the GO Concourse opened, a connection to the TTC's
Union Subway Station was made via a tunnel through the north wall at the northeast corner near the entrance to the GO concourse, where the Leather One store entrance formerly was."