core + attic (Attic Area): these terms have been either depricated from the core or extentions, or removed from pending as not accepted into the full vocabulary.

numberedPosition

Canonical URL: http://schema.org/numberedPosition

Thing > Property > numberedPosition

A number associated with a role in an organization, for example, the number on an athlete's jersey.

Usage: Fewer than 10 domains
Values expected to be one of these types
Number
Used on these types
OrganizationRole

Schema Version 3.2