In the "Jamaica Handbook" reference is made to possible reasons for the variety "Ser.et" which occurs on all values an single CA paper, but only on the 2d. and 5d. values on MCA paper.
I have never been able to obtain a plate :umber block from the top left corner of the upper pane, of the 1d , 2½d. and 6d. on MCA paper, of a size to show the second stamp of the fourth row. I would like to examine such blocks (2 x 4) to see if anything shows on the second stamp of the fourth row.
The variety "RevenOe" occurs on the fifth stamp of the first row of the upper left pane and according to the abovementioned Handbook only on the 2½d. ultramarine. I have, however, two copies of the bicoloured 2½d. single CA, that show this variety. Does any member know if this is constant and whether it also occurs on the 2½d. bi-coloured MCA paper? I would like to examine positional blocks of this value on both papers, also strips of five with plate number above, from left side of upper pane and from the first row.
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