1893年6月15日经海路寄天津局部信封面, 盖清晰㰐圆形烟台书信馆日戳, 另一旁盖无框 "PAID" 戳. 十分罕见.这种无框 "PAID" 戳, 存世只发现三件实寄例.Chefoo Pre Adhesive Mail 1893 (15 June) large part cover front to Tientsin "<I>per Wenchow" bearing a fine strike of the oval; "<H>chefoo/local post" datestamp in black along with a light strike of the unframed "PAID"; very scarce. Livingston PF1. Photo