While visiting his brother-in-law in Frederick, Maryland, Greg Dixon was killing time.
Dixon and his wife, Megan, accompanied by friends Jeff and Vicki Lammers, milled about in a multi-floor antique shop cluttered with dust-covered junk-treasure and antiques.
Dixon’s fingers fluttered through a long, skinny box of postcards one at a time, searching for something that would catch his eye. He paused. Carefully, he removed a postcard labeled, …