Frosted acrylic platter from VPI. 1.75 inch thick, 12 inch diameter.
This platter has the "inverted bearing" style, with a ball bearing pressed into the top of the spindle. The platter has a center hub with a hole, which then rides on that bearing. Simple and reliable. Bearing, mounting hardware, and Delrin record clamp are included.
Asking $350 + shipping.