A superb unmounted mint with certificate. A superb unmounted mint example accompanied by an RPS certificate.All items are described as accurately as possible. The item "Sg 598k £1 Black (chalky paper). A superb unmounted mint with certificate" is in sale since Friday, December 20, 2019. This item is in the category "Stamps\Great Britain\Elizabeth II\Pre-Decimal (1952-1971)". The seller is "avp-ltd" and is located in Tamworth. This item can be shipped worldwide.