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SG 1121 var. 1980 London Landmarks 12p. Design shift error. SOLD £65
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UM single with the dramatic shift of design resulting in value being transposed to bottom right corner and Queen's head appearing in centre. Illustrated with normal at right.

SG 1157 var. 1981 National Trust 20p. Colour and perforation shift. SOLD £110
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A fine UM single with the attractive double error, large shift of gold resulting in Queen's head now obscuring value plus 7mm shift of horizontal perforations. Illustrated with normal at right.

SG 1302 var. 1985 Films 34p. Silver shift.
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An UM single with the attractive downward shift of silver resulting in Queen's head now lying below value.

SG 1342 var. 1986 Christmas 13p value. Yellow shift error
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UM single with upward shift of yellow resulting in white cuffs and collar and mainly white bonnet. The brim of the bonnet is the only area showing any yellow.

SG 1822 / 1823 var. 1994 Channel Tunnel. Multiple colour shift error. SOLD
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A superb unmounted mint traffic light block demonstrating multiple colour shifts (New blue, emerald, silver, bright orange). An attractive error when as a pair, this item an extremely attractive example showing multiple shifts of the traffic light dots. Exhibition quality