Very Rare DOWTY ROTOL Propellor & Airplane Part Manufacturer - VTG. Promo Plate

Very Rare DOWTY ROTOL Propellor & Airplane Part Manufacturer - Vintage. Promo Non-Retail Company Glass Plate. You will probably not find this anywhere else. 8" In Length. Glass Is Strong Tempered Material With Two Colored Sides. Used, pre-owned. Has a very small chip on outer edge detailed in pics not very noticeable from the front of glass plate. There are also some light wear marks on the white part of the plate. Overall very good condition.