518 variety, CSS 699j (NEW LISTING), 1942-45 Dr. Sun Yat-sen Paicheng printing (engraved) perf. 11-16 1/2, $5 gray, horizontal strip of four, imperforate between and at left margin, without gum as issued

518 variety, CSS 699j (NEW LISTING), 1942-45 Dr. Sun Yat-sen Paicheng printing (engraved) perf. 11-16 1/2, $5 gray, horizontal strip of four, imperforate between and at left margin, without gum as issued