Authentic WP #116 'TO in a Diamond' that's an unusual Green-Gray color with a yellowish cast.

The seal button on this TO float is quite thick and a great honey amber gold color.

The glass ball was a working float that shows signs of very heavy use.

The stamp has been worn down quite a bit.  The diamond is clearly visible but the TO can only be seen on very close inspection.

There are swirls on the surface of the glass.

This float is just slightly out-of-round; mainly in the base.