Trade card. advertisement. etching with letterpress. R.B. Bate, Agent for the sale of Admiralty Charts, &c Hydrometer & Saccharometer Maker, to the Excise and Customs. [view of street with exterior of 'Bate Optician' premises] n.d. 20 and 21 Poultry, London. 7.8 x 13.8 cm (Calv. 35)