・ 音 ケン
漢越音: khoán
The bottom is 刀, a knife. Ancient contracts were notched and cut in two, each party keeping half as proof. That half-slip is the ticket or voucher: shouken, securities.
Stroke data: KanjiVG (CC BY-SA 3.0) — kanjivg.tagaini.net
乗車券を見せてください。 (じょうしゃけんをみせてください)
Please show your ticket.