further Stella research

online reveals that the guitar is most probably a model H6128....the "faux natural spruce" parlor model.....the Harmony site says these are birch all solid wood guitars made 1972-75. Reviews on an old guitar site reach the general consensus that these things are heavy, loud, great bottle-neck and blues guitars, and "keepers".....that neck marker inlay is an "H" , for Harmony made....