Sg 251a 9d Slate Purple & Ultramarine (c). A superb unmounted mint example. All items are described as accurately as possible. The item "Sg 251a 9d Slate Purple & Ultramarine (c).A superb unmounted mint example" is in sale since Tuesday, January 26, 2021. This item is in the category "Stamps\Great Britain\Edward VII". The seller is "avp-ltd" and is located in Tamworth. This item can be shipped worldwide.