Ephemera › HS 1203 - Letter from Letts Son & Co with invoice on reverse for Patent Vellum Tracing Cloth c 1860 Image 1 of 1 HS 1203 - Letter from Letts Son & Co with invoice on reverse for Patent Vellum Tracing Cloth c 1860 £25.00 Folded note paper with vignette of premises in New Cross Add To Cart Added! Folded note paper with vignette of premises in New Cross