"Here," says Aegis, making and handing over a square in her glowy copper. "This is a wishcoin. If you wish on it you can conjure up a whatever piece of jewelry you like, and I can swap out a gem for a Jane-gem for you, and it's really a pity that Sue can't link you because it's so much more convenient to explain things that way but I guess before we came along everybody managed so it's doable..."