Former lab assistant to Thomas Edison (1879–1936) who, in 1911, made the first official airmail flight in the United States. Collection of 33 items consisting of 28 signed commemorative covers, with stamped cachets honoring various first flights or aviation anniversaries, each signed on the front in ink by Ovington; eight TLSs and ALSs, all one page, two ALSs on the correspondence side of photo postcards, with one postcard signed and inscribed on the reverse; and one vintage matte-finish 4 x 6 photo, signed and inscribed in fountain pen. In very good overall condition. RRAuction COA.
