A Study of the Characters in Ancient Seals

There is a phenomenon that the characters in ancient seals used before the Qin Dynasty has no decipherment,wrong decipherment or one character with several decipherments.This paper questions the decipherment of 交仁 and 可壬.It also discusses the decipherments of 以 and 厶,■ and ■,百and全 金世,朱and未,■ and 壬■,旨 and ■.