Katheryn McMahon Newton Album, cards 20-22, 24 Today’s is a bit of a miscellany. First is a travel postcard produced by the Metropolitan News Co., a northeastern firm responsible for a number of regional-oriented images. This particular card has no inscription whatsoever. The sender evidently presumed Anna McMahon would understand from whom it came–likely the only person she knew in Boston at the time. As a side point, according to Google Maps 1800 State Street is about midway between the two addresses we have for Katheryn McMahon. 2621 South Shields Avenue (Google is not currently offering me an option for North Shields) is about 1.5 miles walk south-southwest. 315 Wabash…