1904, 10¢ Louisiana Purchase (Scott 327), top margin plate number 2105 block of 4 with imprint, o.g., lightly hinged at bottom, never hinged at top, Post Office fresh and near-perfectly centered, with top stamps never hinged; bottom pair show previous hinge reinforcement of perforations; vertical perforations separated into two pairs, Extremely Fine appearance, could well be a "breaker". Scott $1,250 (Image)