In the 1920s and ’30s, clerks at The Times collected stamps from overseas mail. The postage tells of a fluid world history.

“People have an outdated image of stamp collecting,” says Charles Epting of H.R. Harmer Fine Stamp Auctions, the New York-based firm handling the sale. “They think it’s still people in ...

If you're interested in investing in postage stamps, a financial advisor can help you analyze investments and manage risk.