| A rare colliery badge on the lamp, or a non-standard design can boost the value. |
| At its peak in 1911, the colliery employed 2,700 mineworkers, though only 250 of these were indigenous to Warsop Vale. |
| Last month the Doncaster-based firm said up to 40 miners at the colliery would have to lose their jobs in order for the pit to stay afloat. |
| A third of the work force, 163 men, have also been told they could face the chop at the colliery in Rotherham. |
| After the suspicious death of a miner at a disused colliery in Wales, the Doctor investigates the owner, Global Chemicals. |
| Stainforth is just one of the communities that will be dealt a body blow if Hatfield colliery shuts. |
