Rare Martini system shooting rifle

long and massive barrel with octagonal section, small caliber, with windage adjustable front sight protected by fins; castle with typical oscillating block mechanics and trigger package complete with stecher, adorned with beautiful engravings with alpine hunting scenes and racemes, the bridge with anatomic hand guard lever; anatomic walnut stock, with cheek rest and thumb rest, complete with enveloping buttplate, with elaborate diopter, adjustable in elevation and windage, mounted on the top of the handle; walnut wood shaft with through crossbar for quick disassembly; in good condition with honest period patina L 131 cm