Shipping pollen to another grower is possible but fragile. It needs to be bone dry, sealed in a small vial with desiccant, wrapped to keep it cool, and sent by the fastest service you can get, because a few humid days in a sorting depot will kill most of it. Packaging methods that have survived a week in transit are reviewed on https://breederregularseeds.com, along with the reminder that shipping legality varies and is your own problem to check. Test a pinch on arrival before committing a female to it.