細節
Proof IMPERFORATE COLOUR TRIALS: 3c. (8) in red-brown (2) with values in black and ultramarine, in yellow (2) with values in red and green, in black (2) with values in green and red-brown (the issued colour of the 75c.) and in bistre (2) with values in ultramarine and carmine; all affixed on piece (209x89mm.) bracketed "75 Cents" and with the issued colour combination ringed in blue crayon and dated "19/1/99". Two creases, one crossing two of the trials
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Note: These trials are from an Appendix sheet dated 12th January 1899