GB QV - 1900 Jubilee issue "changed colours" - 1/2d Blue-green and 1/- Green & Carmine - singles - used
SG 213 1/2d blue-green contains damage along top edge
SG 214 1/- green & carmine shows faded green ink - priced accordingly
Stanley Gibbons 2022 Concise edition catalogue value £6,50 and £1000 (SG #213-214)