1851-52, 3¢ orange brown & 3¢ dull red. Small lot of 10 covers all franked with 1851 3¢ single, nine appear to be dull red (#11) and one an orange brown (#10), most are well margined & neatly tied, one or two tiny hidden faults may be present, however condition is lovely overall. Scott No. 10+11  Estimate $100 - 150. $0 (Image)