拍品描述： Bulgaria, reverse proof 50 Leva, ND, reverse proof of unlisted 50 Leva note, blue and white, featuring central illustration of a shepherd in a mountainous landscape. Left issue encircled by wreath of roses and right issue surrounded by wheat sheaths. Note also includes unique art nouveau designs, reminiscent of the work of artist Alphonse Mucha, with dogs, snakes, and dragons incorporated into the art nouveau patterns(Similar to the reverse of Pick 37), strikingly beautiful, as made, rare