A very scarce series of just 13 stamps only issued for internal use and never meant to be in the public domain.
(03) 2/6d Green & Black (1921)
Market Value : £20.00
(04) 5/- Green & Black (1921)
(05) 10/- Green & Black (1921)
Market Value : £30.00
(06) £1 Black & Purple (1921)
(10) 2/6d Green & Black (1950)
Market Value : £25.00
