[Proof of sheet music cover depicting a kangaroo] [graphic]. Kangaroos. Shows kangaroo on a dirt path lined with bushes. Inscribed lower right corner: 155. Title supplied by cataloger. Knirsch worked in Philadelphia between 1858 and circa 1861. Cataloging funded by a grant from the National Endowment for the Humanities (PW-506-19-10), 2010-2012. Philadelphia: Lith. by O. Knirsch & Co., 311 Walnut St PA. Philadelphia. 1860 O. Knirsch & Co., printer. [ca. 1860] Lithographs -- 1850-1860. Proofs -- 1850-1860. Sheet music covers -- 1850-1860. 1 print: lithograph; 38 x 28 cm.(15 x 11 in.) digitool:120982 Library Company of Philadelphia PRINT PRINT albums - Specimens Album [P.9349.97] P.9349.97