Imperial Russia - Romanov Dynasty issue

Imperial Russia - Romanov Dynasty issue
1913, Nicholas II, stage proof of 5r in dark blue, engraved printing on thin card, size 55x66mm, incomplete design of the frame (no engraving on the leaves of the ornament) and just slight primary impression of the central portrait, no any defects, bright and fresh, VF and probably unique, Est. $1,000-$1,500, Scott #104