Old North Church is both an active congregation and one of the most high-profile tourist destinations in Boston. The craftsmen hope to reveal four of the original angels by April, 2025. Nancy Gonzales ...

Conservator Corrine Long, of Dover, N.H., works to restore nearly 300-year-old painted angels on the walls of the Old North Church in Boston.

Conservator Corrine Long, of Dover, N.H., restores nearly 300-year-old painted angels on walls of Old North Church, Wednesday, Dec. 18, 2024, in Boston.

Conservator Corrine Long, of Dover, N.H., restores nearly 300-year-old painted angels on walls of Old North Church, Wednesday, Dec. 18, 2024, in Boston.

Conservators Corrine Long and Gianfranco Pocobene climb down scaffolding after restoring 300-year-old painted angels in Old North Church, Boston. AP. Corrine Long touches up one of the angels. AP.

“It's really been quite a revelation to find these really interesting and historic works of art on the walls of the church that nobody has seen in our lifetime." The painted angels — with round ...

Statues of angels rest in an elevated positions at Old North Church, Wednesday, Dec. 18, 2024, in Boston. (AP Photo/Steven Senne) A statue of an angel rests in an elevated position at Old North ...

Recently restored, nearly 300-year-old painted angels adorn an arch at the historic Old North Church in the North End neighborhood, Friday, Dec. 20, 2024, in Boston. (AP Photo/Charles Krupa) ...

Centuries-old angels uncovered at Boston church made famous by Paul Revere Conservator Corrine Long, of Dover, N.H., restores nearly 300-year-old painted angels on walls of Old North Church ...