City letter carrier cap badge, number 77
U.S. Post Office Department City Delivery Service "Heller" cap badge, number 77, with eyelet and metal attachment clips on verso. Elliptical medallion with upper portion marked "UNITED STATES" on ribbon pointing down; lower portion inscribed "MAIL." Numerical figure positioned in center of medallion. Badge patent date: APR.10.88.
The badge shown is an example of a design that did not meet U.S. Post Office specifications. It was worn by a Boston letter carrier during the late nineteenth and early twentieth centuries.