Donny, I would look for a plastic box in the Dollar General store, then insert a layer of foam rubber on the bottom and lid to cushion the mic and hold if firmly in place. With the Crown CM311A it came with a great case.
Good luck,
Gary

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PSR-S950, TC Helicon Harmony-M, Digitech VR, Samson Q7, Sennheiser E855, Custom Console, and lots of other silly stuff!
K+E=W (Knowledge Plus Experience = Wisdom.)