FootSoldier posted very nice photos of restoration of his Remington 870 on Remington 870 Forum:

Remington 870 Stock/Forend Before Restoration:

Remington 870 Before Restoration

Remington 870 Before Restoration

Remington 870 Stock Before Restoration

Remington 870 Stock Before Restoration

Remington 870 Forend Before Restoration

Remington 870 Forend Before Restoration

Remington 870 Stock Before Restoration

Remington 870 Stock Before Restoration

Remington 870 Stock/Forend After Restoration:

Remington 870 Stock/Forend After Restoration

Remington 870 Stock/Forend After Restoration

Remington 870 Stock After Restoration

Remington 870 Stock After Restoration

Remington 870 Forend After Restoration

Remington 870 Forend After Restoration

Remington 870 Stock After Restoration

Remington 870 Stock After Restoration

Remington 870 Stock After Restoration

Remington 870 Stock After Restoration

Remington 870 Stock/Forend After Restoration

Remington 870 Stock/Forend After Restoration