Discovered at the end of 1886, Mithraeum Ill at Nida was an independent structure located in the civil part of the urban area. On the floor of the rectangular spelaeum (10.55 × 5.50 m), at a depth of aproximately three metres, there came to light on 20 January 1887 the upper part of the relief, and then, four days later, the lower part and other stone objects. Exhibited at the Museum für heimische Vor- und Frühgeschichte established in the old Dominican monastery beginning in 1937, the relief was destroyed during the 18 March 1944 air raid on Frankfurt's city centre. Thirty- seven
The re…