RMA 1620 Ho Plm 3 Axles Car 2nd Class B4 215 with Guardhouse & Side Doors to Assemble Mint in Box

RMA 1620 Ho Plm 3-axle car 2nd class type B4, registration 215 with guardhouse & side doors 1846. Metal wheels and axles, isolated axles, loop couplings. Era I/II. 
Brand new in original box, model kit to assemble.