民国寄上海中式封1件,盖此件有民局私寄官局查获罚资三倍方框戳,封背贴上海邮政局邮费补退中英文条1枚,保存完好,此封证实民国时期邮局查获民信局私寄邮件之惩罚办法,很难得ChinaPostal HistoryRepublic of China1920’s a stmapless cover to Shanghai with leaflet ‘ Postage Insufficient, Return To Sender’ and postage due handstamp, very unusual.































