unused Block Larger Than four 3c Dull Red (11), block of fifteen (5 x 3), pos. 6-10, 16-20, 26-30L2, fresh bright color, sharp impression, ample to large margins at T. and R., just in to ample at B. and L., part o.g., h.r., natural inclusions, one stamp thinned, two vertical creases affecting a total of six stamps, still appears fine-very fine and scarce multiple, Scott retail $2,470.00+photo est.