The box lid does have one corner that has parted as can be seen in the last photo.
Hornby Dublo D1 Level Crossing – Boxed – Three Rail
Vintage (1960's) Hornby Dublo: D1 level crossing (OO Gauge)
Hornby Dublo D1 Level Crossing Model Railway Train Accessory V1.
Hornby Dublo D1 Level Crossing OO Gauge Meccano Railway Accessory
2 x Hornby Dublo D1 Level Crossing OO Gauge Meccano Vintage Railway Accessory
OO Gauge HORNBY DUBLO D1 Level Crossing - Superb Boxed Example c1954
