Sigillography is a fascinating subject that deals with the study of seals and their impressions. This field of study is also known as sphragistics or seal engraving. The use of seals dates back to ancient times and is still used today for various purposes such as sealing documents and authenticating products. Other synonyms for sigillography include stamp collecting, stamp study, and stamp research. Furthermore, the term is sometimes used interchangeably with numismatics, which is the study of coins and currency. Whether it's sigillography, sphragistics, or stamp collecting, this field of study is essential for anyone interested in understanding the significance of seals and their impact on history.