Number 142 (Sewage Pumping Plant Port Forward -- slight outer wear, otherwise excellent), 143 (Sewage Pumping Plant Forward Starboard -- outer stains, otherwise excellent), 144 (Sewage Pumping Plant Aft Port), 145 (Aft Starboard --slight discoloration on cover, otherwise excellent): set of four plans detailing "Sewage Pumping Plant". Price for set: $25.00