1949 (24 Dec) Tientsin local, f.w. SYS Limited For Use in Northeast 25c on block of 10 + surch North China People’s Post $20 + $200 +
1949 (24 Dec) Tientsin local, f.w. SYS Limited For Use in Northeast 25c on block of 10 + surch North China People’s Post $20 + $200 + North China Area 28th Anniv of CCP $10 in pair, tied by Tientsin bilingual cds. Nice combination franking. 1949.12.24 天津本埠，背貼孫像限東北貼用2角5分十方連 + 改值華北人民郵政20元 + 200元 + 華北區中共二十八週年10元雙連，銷天津三格點線日戳。出色之混貼例子。
