Adolph Barsach Davis
Maker's mark/retailers mark ABD for; Adolph Barsach Davis registered Jeweller, Queensway, London W2, his mark seen on imported items Neresheimer Germany and items made in the Netherlands.
Nationality and Naturalisation: Barsach, Adolph (known as Adolph Barsach Davis), from Roumania [Romania]. Resident in London. Certificate 19400 issued 17 August 1910.
http://discovery.nationalarchives.gov.u ... r/C4154242
A 9 carat gold snuff box London 1928 of rectangular engine-turned form, with carved floral thumb-piece. Initialled F.H.W size 7.8 x 4.7 x 1.7 cm. Weight 68.8 gr. London date N for 1928, The maker’s mark, ABD, in conjoined circles is that of Adolph Barsach Davis. 9 carat mark and .375 mark.