Hello, here is a list that I made with all the marks seen on trinkbecher. the list is not exhaustive and fell free to complete it. the markings listing in the "not sure" are to be confirmed. Aluminium trinkbecher: -AMBOS DRESDEN 14 -BASSE & FISCHER LUDENSCHEID 07, 08 -AUGUST SOHLMAN LEIPZIG 94 -BA?? METALW.FBK FREISING -BASSE & SELVE 11 ALTENA also exist with dates 12 and 14 -BAW 11 MUNDHEN -Gebr BING.A.G 14 NÜRNBERG -ED SOMMERFELD 14 BERLIN -E.HUECK 1914 -E.T.A.G. THALE A/H -E.T.A.G. THALE A/H 12 -EUG DEUTSCH & Cie -GERSON -H.A. SCHMIDT 07 WURZEN also exist with dates 09 and 14 -LUDWIG HUTZLER 14 BEIERFELD -NICKELWERK SCHWERTE 12 also exist with date 14 -PATR.FABR. KARLSRUHE -SÜDD. METALLW. FBK. MUSSBACH -SÜDD. METALLW. FBK. 10 MUSSBACH also exist with dates 12 and 14 -WILH. BERG -WILH. BERG BERLIN -WÜRTT.MET.FABR.14 -whithout markings not sure: -D.W.& M. – KARLSRUHE (I have this one too.) -Gebrüder CAMMERER 07 (I have this one too.) -G. REGELER -H. NIER 16 (I have this one too.) tin plated steel trinkbecher : -AMBOS 15 DRESDEN -BASSE & FISCHER 1916 -Br Berner 1915 (not sure becouse very hard to read) -C.FIEBIG 1915 -EH 15 -EXELSIORWERKE 1915 -Gebr BING A.G. NÜRNBERG 15 and 16 -HASAG 1915 -Max Hänel Beierfeld 15 -NEUWALZWERK AG 15 -P.O.S. BIBERACH 15 -Scheithauer 1916 -S.E. & St 15 (in oval) -WUPPERMAN 16 -WÜRTT METALL FABRIK 16 not sure : -BEIERFELD 1915 -ED. LACHMANN 15 (I have this one too.) -G.J. 15 (I have this one too.) -G.REGELER & Co 16 -H. NIER 15 et 16 -SOMMERFELD 1916 BERLIN (I have this one too.) -ULLRICH 15 ANNWEILER enameled trinkbecher : -A. LAMPRECHT 16, 17 and 17 with hollow bottom, 18 with hollow bottom -AMBOS 16, 17 (big numbers) and 17 (small numbers) -BECHER 16 -B & F 16, 17 -BING 16, 17 and 17 with hollow bottom, 18 and 18 with hollow bottom -E d. L 16 -E. H 18 -E. L. S. 17 petexists with small and big markings -E. S. B. 17 -ESCHEBACH RADEBERG 1916 and 1917 -FCB FULDA 16, 17 and 18 -GERMANIA 17 and 18 -G. M. u Cie 18 -G. R. & C° 16,17 and 18 -Hecker & S 16 and 18 -Hiby 16 and 18 -inewis ????ler Beierfeld 17 -KLUTZER NACHE(?) LAUTER 17 -Klötzer & Jache(?) -M. Böhme 17 -M. & S. 16 -Neust. Em. W 16 and 17 -R. LOUIS SCHEICHAUER GRIVOR(?) -S.& E. St.L. 16, 17, 18 (with two oriental sabers) for maker: "Stahl und Eisen St Leon" (Bade-Wurtemberg). -SFD 16 -SILESIA 16, 17 and 18 -S.M.W. 16 -ULLRICH 16,18 -WUPPERMAN 16, 17 and 18 -without markings, color from light to dark green