1940-41年"暫作叁分"加蓋票,叁分改值試蓋於五分四方連一件,綠色,大"叁"字,保留大部份原膠,少見,品相中上.China 1940-41 3c. Provincial Surcharges: 3c. on 5c. green, trial surcharge in black; a block of four bearing the trial surcharge showing a very large "3", large part original gum; a couple of faint tone spots and light crease. Scarce. Photo