"MODIFIED BOLT ACTION" REPEATING RIFLE. Cal. 44 RF. S# 226. Bbl. 24" octagon. Extremely rare Special Grade rifle w/ nickel finished Type II brass action. Full coverage foliate scroll engraving has punch dot backgrounds. Pistol grip cheekpiece walnut stock of XXX American black walnut has hand checkering & German silver presentation plate on cheekpiece. Nickel finished engraved brass crescent buttplate. 2/3 Length mag. Sling swivels are mounted on toeline of stock & mag. cap. German silver blade front sight w/ wheel adj. sporting rear sight having broken leaf. Top tang has open hole for lollipop sight. Forward section of breechblock is marked "PAT'd MAR. 10. 57 / EXTd FEB. 27. 71". Rear portion of block is marked "ROBINSON'S PAT. APR. 28. 72 / MF'd BY ADIRONDACK FIRE ARMS CO. / PLATTSBURGH. N.Y." Left side of receiver has "HD" stamping on cartridge adjuster w/ unusual vertical script "PT" marking in forward portion of engraving. Action is operated by lifting up knob on rear half of bolt & sliding rearward to cycle action. Designed by violin maker Orville Moses Robinson born in Swanton, VT 1838, died 1916. Total production of both models is believed to be less than 600. Adirondack Firearms Co. was purchased by Winchester in 1874 who never used the patents. CONDITION: brass action retains over 80% nickel finish. Bbl. & mag. tube have over 75% dull & lightly faded original blue. Original stock finish shows areas of crazing w/ scratches & handling marks. Sm. cracks are present at toe & bottom tang areas w/ sm. chips & hairline cracks present in top tang area. Bore is generally bright w/ strong rifling showing sm. spots of pitting, most prevalent near muzzle. (01-14905/DS). ANTIQUE. $9,000-15,000.