Unknown Pulp Magazine Cover

This document is not a pulp magazine issue but rather a U.S. Air Force UFO sighting report form (ATIC Form 329, revised September 26, 1952) from Project 10073—the official military investigation into unidentified flying objects. The record documents a single sighting: one round white object approximately the size of a softball observed at arm's length, moving northwest and visible for thirty seconds. The observation method is listed as ground-visual. The form's conclusions classify the sighting as "probably balloon," though comments note that "description, duration, flight path indicate that this sighting was probably caused by an Aircraft." The form includes checkboxes for various observation types and preliminary classifications, with notation that no additional report exists in file.