Don't know why but cannot be anything serious. Boxed with paperwork.
Hornby R910 OO Gauge Fishplates (Pack of 12) - Model Railway Accessories, Spare Parts and Train Accessories for Hornby 00 Gauge Model Railway Sets - Scale 1:76, Silver
Hornby R920 OO Gauge Insulated Fishplates (Pack of 12) - Model Railway Accessories, Spare Parts and Train Accessories for Hornby 00 Gauge Model Railway Sets - Scale 1:76, Grey
