Powder coated crystal ball wireform ramp used in JJP's Emerald City Edition pinball machines.
Jersey Jack Pinball's #13-0004-00 & #13-000004-00.
For Reference:
13-0004-00 - Emerald Green color
13-0004-01 - Chrome plated
13-0004-02 - Ruby Red color
13-0004-04 - Yellow Brick Road color