a signature added by way of countersigning.

Origin of countersignature

First recorded in 1835–45; counter(sign) + signature Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for countersignature

Historical Examples of countersignature

  • In accordance with royal proclamation important acts of the government require the countersignature of all of the ministers.

    The Governments of Europe

    Frederic Austin Ogg