I think that will fit this project nicely. Maybe the fact that it is OEM 100mm means that it doesn't have the spacer (which they normally come with and can be removed to make them 120). That's fine though as it's going on an old Anthem.
Item: 100mm travel, 29, non-boost tapered forks wanted
Location: NE Victoria
Price: To $400
Extra info: At least 180mm steerer, tapered or OD2, 15mm TA or 9mmQR. Prefer non-boost but would consider boost