This is the Rapido OO Scale LMS Iron Ore Hopper - BSC Yellow No.51 [963014].

LMS 20t Hopper
British Sugar Corporation Yellow No. 51
‘Greedy board’ extensions fitted
Straight buffer shanks
Disc wheels running in metal bearings
High level of detail above and below the floor line
High quality livery application
NEM coupler pockets
1:76 scale, (OO gauge)
UK designed

SKU    963014
Scale    OO Gauge
Type    Wagons
Company    Private Owner
Era    British Railways - Late (1956 - 1968)
Theme    Mainline