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1. Two-on-a-Plate Type. |
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2. Single with Open Gears.
White Plastic "Rugby-ball" Buttons. |
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3. Single with Open Gears.
White Plastic "Squared" Buttons & "Fire Hydrant" Plates. |
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3a. Single with Open Gears.
White Plastic "Squared" Buttons & "Cats Head" Plates.
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4. Single with Sealed Gears.
Plastic Buttons. |
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5. Single with Sealed Gears.
Metal Buttons.
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6. Single with Sealed Gears.
Metal Buttons. Japan made. |