1920 "Zodiac ZBZ ENG" by Martins-Birmingham LTD
1906 "Kempshall Mfg Co, Arlington, NJ" is one one pole. "1906" encircled by "Pat. Apr 1, 1899" is marked on the other pole. Made by the Kempshall Manufacturing Co.
1915 "Dunlop Junior" by the Dunlop Rubber Co.
1905 "S'Vale Hawk" by Hutchison, Main & Co.
1906 "RCR W" by The Improved Golf Ball Co. This ball has a length of glue or something milky in color that runs parallel
to the equator for a good distance as shown in the last image.
Made when there were no rules governing the manufacturing of golf balls, these balls provide a nice spectrum of sizes. Condition as shown in the images.
This is an interesting lot!