Hand painted in soft colors, postmarks still visible, old postcards offer views of scenes both familiar and removed. They evoke memories of a happy time gone by - and, like family photographs, they remind us of what's changed. Collecting 160 richly colored postcards from the past, Greetings from Baltimore provides an entertaining, nostalgic, occasionally ironic, always changing view of the best of Baltimore, from circa 1905 to 1955. Here are steamboats along the Old Pratt Street piers - the Inner Harbor that H.L. Mencken remembered as "so rotten, it smelled like a billion polecats"; the now-defunct department stores at Howard and Lexington streets; the Italianate Bromo-Seltzer tower topped with the revolving blue bottle that had to be removed in 1936; the Patterson Park pagoda; the Shot Tower; Memorial Stadium in its shiny 1954 modernity - and its predecessor - the old, wooden Baltimore Stadium; well-known restaurants and bars that have disappeared, like the famous Miller Brothers, Jimmy Wu's NewChina Inn,,and Benjamin's; long-gone amusement parks like Gwynn Oak, Carlin's, and the earlier Electric Park; and, of course, the Block.