Hello Chomboombau86
No, the Swiss Half Fare Card is not sufficient.
The Half Fare Card (for residents) and the Swiss Half Fare Card (for tourists) usually have the same range of validity, but not what concerns the luggage shipping.
For shipping luggage without a point-to-point ticket, the customer must be in the possession of a seasonal ticket valid for 12 months; the Swiss Half Fare Card does not fall under that condition. (Tariff T602-2.1)
Kind regards,
Roland