VANCOUVER, British Columbia, Dec. 04, 2017 (GLOBE NEWSWIRE) — Endeavour Silver Corp. (NYSE:EXK) (TSX:EDR) announces that exploration drilling on the Calicanto property in Zacatecas State, Mexico has discovered high grade silver-gold mineralization assaying up to 2,043 grams per tonne (gpt) silver and 13.2 gpt gold over 2.8 m true width within the Calicanto and Misie vein systems.