"opening it , he packed a slim wallet with a variety of coins , a few thin strips of bullion , and some low - to middle-value gemstones . outside the mainstream , many merchants preferred rare-metal specie to co-operative credits , and gold and precious stones often traded at a premium . he drummed his fingers against his chin , then added a small twist of metal foil , containing a generous pinch of red wango , which he tucked into the back of the _ ..." What is the word in the blank space (_)? The answer is
wallet