Scott Catalog # : 4186 Pair / Fleetwood First Day Cover.
Have description of the stamp subject printed on the back.
ARE IN MINT, UNADDRESSED CONDITION.
Scott Catalog # : 4481a / Artcraft First Day Cover.
Block Includes: 4478 Ponderosa Pine / 4479 Eastern Red Cedar / 4480 Balsam Fir and 4481 Blue Spruce.
IS IN MINT, UNADDRESSED CONDITION...