WW1 German Pioneer Reserve Felt Ersatz Pickelhaube of Prussia

Rare pioneer reserve pickelhaube of Prussia in grey felt of the Ersatz issues. Pickelhaube has German silver fittings for Pioneer troops with gilt Reservist cross to front plate. Leather chinstrap has also its correct German silver buckles with both national & Prussian state cockades intact. Interior lining good with intact tongues & tightening lace intact. Overall in excellent condition & a less often seen branch of service.