In the exhibition "World War I Beyond the Trenches," the illustrated letters of Salvator Cillis paint a personal picture of his experience during the war, sometimes with glimpses of humor. Ted O'Reilly, N-YHS head of manuscripts, looks at one passage in particular.

More from Sotheby's

Stay informed with Sotheby’s top stories, videos, events & news.

Receive the best from Sotheby’s delivered to your inbox.

By subscribing you are agreeing to Sotheby’s Privacy Policy. You can unsubscribe from Sotheby’s emails at any time by clicking the “Manage your Subscriptions” link in any of your emails.