The Transporter

This dataset records no EXP, no gil and no turn-in item for this leve, nor for any of the other 21 Lv 15 battlecraft leves, so the whole rung is left unranked and out of the search index.

The closest battlecraft rung that does carry one is Lv 50, 35 levels above this page, where the best of 6 leves returns 839 gil per allowance.

The Hawthorne Hut, East Shroud issues 25 leves in this dataset, Lv 15 through Lv 25, across 5 disciplines, and 2 of them are turned in somewhere other than where they were taken.