After a burglar smashed one of the larger-than-life Tiffany windows ringing Boston’s Church of the Covenant last fall, the first call was to the police, the second to Roberto Rosa, a Needham stained-glass specialist. At work on the State House nearby, Rosa rushed over, discovering a heap of luminescent shards — some as small as a fingernail — beneath a jagged depiction of the disciple Dorcas.

The task was daunting even for Rosa, whose Serpentino Stained & Leaded Glass studio counts many of the region’s most vaunted institutions as clients. There is stained glass, and then there is Tiffany’s signature drapery glass — uniquely rippled and layered, rich in texture as well as color, from the firing ovens of one of America’s most celebrated decorative artists.