Ceylon 1899 QV Specimens with Ultramar, Rare

1899-1900 QV 2c, 4c, 15c, 1r50 & 2r25 (SG 256,258,261,263-64). VF/M overprinted SPECIMEN and additionally handstamped "ULTRAMAR" (by the Portuguese authorities prior to distribution to their overseas colonies as specimens) in blue. Rare & attractive group thus.