Ultra 504

This collection was reportedly limited to 504 pieces each which may or may not also include production samples from cases such as those seen here: https://www.megocollector.com/action-figures/galoob-ultraforce-asst-75596/.

These 5 figures were intended to be produced in quantities of 5,000, but Galoob canceled the line and stopped production before these made it to 5,000.