Cassette and seal both carved from buffalo horn. The cassette has a sliding lid. We are not sure in which period these were made. They can be Republic (1912 – 1947) but could be later as well. Cassette size: Length 6.3 cm. Width 1.9 cm. Height 1.9 cm. Seal size: Length 3.4 cm. Width and depth 1.2 cm.