I feared it would be a simple, solution and you've proven it to be the case!

Thanks very much.

It's my intention to keep the path open since its a fundamental requirements of the illustration.

Isn't this possible?

I've seen this question posted elsewhere on the form, but it didn't answer the specific problem I'm experiencing. For reasons I cannot figure, I cannot apply a stroke to a pen path (calligraphy and pencil work fine). Please see the attached. The Fill & Stroke options show every greyed out: Any h...