Talk:郵函

(seems to be sth. different) —Suzukaze-c◇◇ 19:17, 8 October 2019 (UTC)

evidence for reading as いうかん —Fish bowl (talk) 23:19, 10 March 2022 (UTC)
 * https://lab.ndl.go.jp/dl/book/866184?keyword=郵函&page=28
 * https://lab.ndl.go.jp/dl/book/886038?keyword=郵函&page=90
 * https://lab.ndl.go.jp/dl/book/887097?keyword=郵函&page=123