Antique Sengbusch Self Closing Inkstand Co. molded glass double inkstand with original Bakelite pen insert mechanism in working condition. Glass is in very good condition. Measures 7 5/8"W X 5 7/8"D" X about 4"H. Embossed in glass base "SENGBUSCH" No. 310. Embossed bottom of inkwell "No. 56". Please see all photos. Thanks~