Ephemera › HS 1133 - Pro forma invoice for Epp's Cocoa from A.E. Stubbing, Grocer & Tea Merchant, Bishop's Stortford, Essex 1904. Image 1 of 1 HS 1133 - Pro forma invoice for Epp's Cocoa from A.E. Stubbing, Grocer & Tea Merchant, Bishop's Stortford, Essex 1904. £15.00 Late John Stubbing at Market Square. Add To Cart Added! Late John Stubbing at Market Square.