Face value: 5 Dollars. Size: 60 x 29 mm. Technique: smartminting® (Ultra High Relief). Whether it is a gate, a treasure chest or the metaphorical heart, keys enable us to set foot into unknown worlds and unveil hidden mysteries. The 2nd issue of the series holds a broad symbolic meaning. This key earns the privilege to be part of someone’s life, to enter their safe haven and to join them in their kingdom.