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1995年7月14日，登封市东金店乡高马村牛丰奇砖厂在起土区挖出两件铁犁镜与一合石蘑。铁犁镜2件，大小基本相同。为五角形稍弯弧，正面凹弧平光，背面凸弧，周边有三角形断面的凸棱，中部有呈三条辐射状的凸筋，以增加镜面的坚固性。在两侧的凸筋上下两端各有桥形鼻，共计4个，
July 14, 1995, Dengfeng City, Dongjindian Gaocun Niu Fengqi brick factory digging in the soil area two iron plow mirror and a stone. Iron plow mirror 2, the same size. A slightly curved pentagonal arc, the concave surface of the flat front, the convex arc on the back, surrounded by a triangular cross-section of the convex edges, the central there were three radial ribs to increase the firmness of the mirror. On both sides of the upper and lower ends of the bridge have a bridge nose, a total of 4,