Just to give this thread closure in case someone else comes across a plant that has marks like mine. They have continued to spread and the leaf has yellowed and the other has fallen off. All new growth has also fallen off, The seller will give me a refund if I return the plant, which is aggravating that I have to spend money to ship back a dying plant and the leaves that fell off, but I will do it. My fear is them refusing to refund as the plant they will get back is probably going to be dead once it finally arrives.
This is the plant they're insisting I send back to them:
