Up for auction is an iconic, authentic pocket/travel coffee grinder named "Tramp", manufactured in Czechoslovakia during the 1920s–1930s by the renowned company Bratří Ouhrabkové (Brothers Ouhrabka) under the quality mark "Garantie B.O.".¨ Designed primarily for tourists, hikers, and later used by soldiers during WWII, this compact grinder features an elegant oval shape designed for easy packing.