Early SCHRADE CUT CO Large Double Tortoise Clip/pen blade vintage automatic knife

Early SCHRADE CUT CO Large Double Tortoise Clip/pen blade vintage automatic knife made in Walden, NY sometime between 1907 and 1910, pattern # 7504 3/4 S. The knife measures 3 3/4 inches closed and 8 3/16 inches open with brass liners and nickel silver buttons, safeties and pins. It is a Clip/pen blade combo and both blades are 95% full, or better and shiny with light scratches. Large blade is stamped SCHRADE CUT CO WALDEN, NY and the small blade is stamped US PATS FEB 13, 06 & FEB 26, 07 on the tang. The Tortoise celluloid scales are very attractive with no cracks, but there are some very light scratches and handling marks. The knife works well with both blade tips below the liners closed, both open fully and both lock open with movement at the tips. The small blade is extra loose and the knife does rattle if shaken with blades open. Both safeties work. VG+ condition.