Exhibit 99.1

Joint Filing Agreement

The undersigned agree that the foregoing Statement on Schedule 13D/A, dated September 20, 2012, is being filed with the Securities and Exchange Commission on behalf of each of the undersigned pursuant to Rule 13d-1(k).

Dated: September 20, 2012

AFINSA BIENES TANGIBLES S.A. EN LIQUIDACION
By:	/s/ Javier Díaz-Gálvez de la Cámara
Name:	Javier Díaz-Gálvez de la Cámara
Title:	Trustee
By:	/s/ Benito Agüera Marín
Name:	Benito Agüera Marín
Title:	Trustee
By:	/s/ Carmen Salvador Calvo
Name:	Carmen Salvador Calvo
In representation of Tesoreria General del la Seguridad Social
Title:	Trustee
AUCTENTIA, S.L.
By:	/s/ Javier Díaz-Gálvez de la Cámara
Name:	Javier Díaz-Gálvez de la Cámara
Title:	Joint Administrator
By:	/s/ Benito Agüera Marín
Name:	Benito Agüera Marín
Title:	Joint Administrator