Vintage Wood Mailing BOX for Glass Slides, Edward Grosz, Patented 1950s

Interesting wood box designed by Edward Grosz of Ann Arbor MI for mailing fragile items, in particular glass photography slides. This wooden container has a metal cover that lifts up so that you can insert your slides. This device was patented in the late 1950s. You could use it to hold business cards or similarly sized items. CONDITION: VERY GOOD (Poor-->Fair-->Good-->Very Good-->Excellent-->Mint): Some scratches and wear on the metal cover, but otherwise no significant flaws. MEASUREMENTS: 4.5" L x 3" W x 0.75" D WEIGHT (w/o packaging): 2 oz