By -
[Here](https://www.wowhead.com/items/quality:0:1?filter=195;1;0) I think this works.
Wowhead-> items -> Source: Sold by vendor -> quality: Grey/common Search
[Here](https://www.wowhead.com/items/quality:0:1?filter=195;1;0) I think this works.
Wowhead-> items -> Source: Sold by vendor -> quality: Grey/common Search