Sg 150 1/- Green Plate 12. A superb Post Office fresh unmounted mint example. All items are described as accurate as possible. The item "Sg 150 1/- Green Plate 12.A superb Post Office fresh unmounted mint example" is in sale since Tuesday, November 6, 2018. This item is in the category "Stamps\Great Britain\Victoria\Surface-Printed Issues". The seller is "avp-ltd" and is located in Tamworth. This item can be shipped worldwide.