How to read: かんばん
Pronunciation: 
Same names and idioms in reading:
燗番 看牌 看板 招児
Names and idioms with total stroke of 23:
健晴 滑桁 御悪 濡色 俯向形
Names and idioms similar to 商牌:
商家 水商 三菱商事 晃商 商陸
Yojijukugo(idioms with 4 Kanji characters) including 商牌:
商山四皓 商売繁昌 参商之隔
Idioms including 商牌:
参商 長袖よく舞い、多銭よく商う