郵驛小知識

庚申年（猴）版票

天安門圖（第五版）普通郵票

商業信函 | commercial letter

保價信函 | insured letter

特種掛號信函 | special registered letter

信函 | letter

義務兵免費信件 | postage free letter of compulsory serviceman

信件 | letter and postcard

函件 | letter post item

存局候領郵件 | post restante mail

附回執郵件 | mail with advice of delivery

報礦郵件 | mail for reporting mineral deposit

郵電（政）公事郵件 | on posts and telecommunications service mail

免費郵件 | postage exempted mail