Letter of Appreciation from the Phirius Workshops

We have asked in IRC and, according to SaitoHajime, there are no references to this item in the game's scripts or database. It does nothing and no amount of collecting will change that. --Bludwyng (talk) 14:46, 30 March 2020 (UTC)
Now the good news... the 5 "Trading" quests, when all five are done at least once, awards .