Letter, copy, Robert O'Brien to ... Cox & Co, 17 ? 1860, ordering oak work for finishing Dean and Precentors stalls in St Marys Cathedral, including details of work and some changes to Mr Slater's designs, and costing of work. Blue sheet folded, written three sides, with short calculation on fourth. Watermark: Britannia in crowned oval, A Cowan & Sons, 1858.