1976 9p, 9½p, 10p, 10½p, 11p, & 20p

9p deep violet (S.G. No: X883), 9½p purple (S.G. No: X884), 10p orange brown (S.G. No: X886), 10½p yellow (S.G. No: X890), 11p pink (S.G. No: X892) & 20p dull purple (S.G. No: X915) - issued 25th February 1976, illustrated P.O. first day cover, EDINBURGH bureau first day cancel, typewritten address.