http://xivdb.com/?item/2232/Rusting-Scutum drops from Stone Vigil
http://xivdb.com/?item/3602/Blackened-Smithy%27s-Gloves drops from Qarn
http://xivdb.com/?item/3009/Moth-eaten-Coatee drops from Cutter's Cry
Or you can get it as random rewards from the leves listed there. Most of the vintage craft will require the dropped item and also the corresponding brand skill to the element to finish comfortably at level. Without the brand skills, your progress will take twice as many steps to finish.