PARKER, unnumbered, eyedropper, black chased hard rubber, straight cap ( c. 1897-1905 ), PARKER # 10 , eyedropper, cable chased , red and black mottled hard rubber ( c. 1897-1905) , and finally, the last pen ( from right to the left ), is a PARKER # 26 , eyedropper, red and black mottled hard rubber ( c. 1899-1918).