PACIFIC GROVE >> The battle over a stained-glass butterfly window is landing back before the Pacific Grove City Council on Wednesday, as many in the community continue to push for its installation.

The council is set to revisit the donation application for the colorful stained-glass window donated by Nader Agha. The window, entitled “The Butterflies,” consists of three panels forming a 12-foot by 8-foot semicircle. The piece spent decades as a feature at the Holman Building in Pacific Grove.

In October, the council proposed the piece be displayed at either the Pacific Grove Museum of Natural History or to hang the panels at city hall. The piece has been offered to the city for public display.

But despite community enthusiasm, the museum’s leadership has concerns about the installation and upkeep proposal. In a letter dated March 31, the museum foundation’s board chairman, John O’Sullivan, reiterated their opposition, calling the proposed installation “an unplanned financial and operational burden.” The museum cited concerns ranging from poor lighting and exhibition interference to maintenance costs and a mismatch with their mission.

“This isn’t about personal opinions,” the letter reads. “This is the official position of the Museum Foundation’s leadership.”

This will not be the first time this debate has surfaced. The application was originally set to be heard in September 2024 and again in October — but both times, it was pulled before reaching a vote.

The museum’s “Changes” exhibit, which occupies the mezzanine space where the window would potentially go, is already grappling with visibility issues, according to board leadership. Museum leaders argue that installing a stained-glass window would only make things worse, compromising both lighting and