I didn,t check to see how many of these properties were sold or just let expire. But I don,t believe any shareholders ever got any dividends from these, perhaps they gained by sales that put money back into the company. The Cueva Blanca sale appears to be similar, money to just go in the treasury for perhaps working capital.
http://infoventure.tsx.com/TSXVenture/TSXVentureHttpController?GetPage=CompanySummary&PO_ID=819165&HC_FLAG2=on
http://www.nafinance.com/Listed_Co/English/stelias_e.htm#COMPANY