How do item qualities work for items purchased in the store?

Question

In the multiplayer store, there are two item qualities mentioned; Uncommon and Rare. Are there other qualities above or below these two? How do you know qualities the items in a pack are after purchasing it?

Answer 1

There are four qualities, common (blue border), uncommon (silver border), rare (gold border) and N7 (black border).

You can see all four of them in this screenshot:

Answer 2

there are only common, uncommon, and rare. uncommon items have a silver outline and rare have a gold outline when shown in the pack contents. the rest, such as equipment, are all common.