G.M. Pollack & Sons Jewelers, based in Scarborough, Maine, has opened its newest store in Manchester, N.H., located in Manchester Commons at 373 S. Willow St.

The family-owned business, begun by Gerald M. Pollack in 1955, has grown to 13 stores, with 10 locations in Maine and three in New Hampshire. Stan Pollack and his wife, Doris, continue at the helm, and Mark Burns is manager of the new store.