Sizes are 7/8" to 2-1/8". First is a rare double-side cello fob issued for 10/19/1898 event "Nebraska Day". Reverse has 1" line where tiny cello fragments did not fold under the metal collet, but all lay flat. Front rim at 2 o'clock has pinpoint nick. Exc. Second does not name the expo but was used for convention by the religious group Christian Endeavor in "Omaha 1898". Third is "Missouri" state seal button by Haskell, St. Louis. Tiny cello split by covered metal back. VF. Fourth is bronze/brass medallion off ribbon with front expo logo and back showing the "Lagoon". NM. Last is for "Iowa Day". Exc. Second and fifth have W&H back papers. First four are rare.