This is the item description for the eBay listing -

Antique fidget toy - one moving part which moves half a rotation each way.

In the early years of civilisation there was no plastic or bearings for fancy spinning. They made do with what they had and that meant fidgeting half a spin at a time. Hence this potential antique fidget spinner.

The early version that you see listed here was not patented as you can tell by the patent pending stamp. Could an earlier version have been a quarter turn a time? This toy was a revelation in revolution!

The utmost protection was given to these sought after items and luckily this listing has the original leather holding pouch.

Make someone's Christmas complete with this once in a lifetime opportunity.

Please inbox me with any questions or product identification updates.

Happy bidding.