The listing, USA - 1966 souvenir sheet for the 6th Int'l stamp show in Wash. DC has ended.
USA Scott catalog #1311, issued in 1966 for the
6th International Stamp Exhibition in Washington DC 1966
Size: 4.25" wide x 2.875" tall
Condition: MNH (mint-never-hinged), as issued (or "post office fresh" as some people call it...)
Free standard 1st class postage WITHIN the USA only.
Shipping to foreign countries is $1.60 via PayPal (which after PayPal fees gives the $1.20 for the actual postage).