The markings on the left side of the slide say "Mauser-Werke Oberndorf Gmbh, Oberndorf/Neckar, Mod HSc, Made in Germany." The serial number reads "
37XX of 5000." The markings on the right side of the slide repeat the serial number "
37XX of 5000." At the extreme right end of the slide on the right side is an American Eagle.