The picture shows the trademark of the C. Cronemeyer plantbreeding station at Tannenkrug, Germany. The inscription reads "Tannenkrüger Walzen-Runkelrübe" (drum beet from Tannenkrug). Mainly red and yellow forage beets had been grown and cultivated.
Related Items: Carl Cronemeyer (Short biography) Interactive map of the german plantbreeding stations around 1910, with the station at Tannenkrug indicated.