Illustrated Companion to the Latin Dictionary/Aposphragisma

This article incorporates text from a publication now in the public domain: Rich, Anthony (1849). The illustrated companion to the Latin dictionary, and Greek lexicon. p. vi. OCLC 894670115. https://archive.org/details/illustratedcompa00rich. 

APOSPHRAGIS'MA (ἀποσφράγισμα). The device or impression upon a signet ring. (Plin. Epist. x. 55. 3.) See the illustrations s. v. ANULUS.