Police say a man and a woman entered the Corner Closet on Main Street Tuesday night and forced the owner at gunpoint into a storage area, where she was tied up.
Investigators released a sketch of one of the suspects.
The couple is accused of taking off with several designer handbags and accessories.
The victim was able to free herself from the restraints and was uninjured.
The first suspect is described as as a Hispanic man in his late 20s to early 30s, approximately 5-foot-3 tall with brown hair and wearing a black sweatshirt and jeans.
The second is a Hispanic woman in her late 20s to early 30s, approximately 5-foot-5 with brown hair and wearing a fuchsia sweater vest over a black hooded sweatshirt and jeans.
Anyone with information about this crime is asked to call anonymously to Crime Stoppers at 1-800-220-TIPS. All calls will be kept confidential.