Exhibit 99.1

Joint Filing Agreement

The undersigned agree that the foregoing Statement on Schedule 13D, dated March 26, 2014, is being filed with the Securities and Exchange Commission on behalf of each of the undersigned pursuant to Rule 13d-1(k).

Dated: March 26, 2014
 
 
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