Finding a perfect piece of vintage clothing is one of life's true pleasures. But searching can be exhausting, time-consuming and sometimes best left to experts. The proprietors of Rare Bird Vintage Clothing, a happening new boutique on a famously crusty stretch of 13th Avenue, scour thrift stores, estate sales and flea markets for prize finds. The store specializes in women's clothing, from '50s dresses to Western shirts to '60s hats and purses, with selections rotated seasonally. The collection suggests what the coolest closet in Capitol Hill might look like -- without the work.