Lot
345 
Adams & Co., California, embossed oval with illustrated greyhound dog at center (ADA-607), on backflap of cover to Warren, R.I., franked with 1851, 10¢ green, type II tied by "San Francisco, Cal., Mar 20" cds; small nick in backflap, Very Fine, only one another example of this embossed marking is recorded in Thomas. Scott Nos. 14 Estimate $200 - 300.