This turned up sometime in the early afternoon of the Monday in the last week of November:

 

 

 

 

 

 

A very curious development indeed.

 

 

 

 

 

And then all of a sudden it took off and disappeared into thin air ....

 

 

 

 

 

 

 

... leaving this:

 

I suppose that it was delivered by the one and only Doctor Loo.