Can't tell from the pic, but it looks to be loin or baby backs. I see more loin back ribs around Indy Sam's. Typically always 3 packs though. They're usually a lot more than $14.46 though. Those look like a 2 pack to me.
18.5", 22.5" OTS
Large BGE (chambersuac's)
The Fiery Furnace (chambersuac's)
Big JT's Smokin' BBQ Competition Team