Sarawak 1888-97 unissued high values $2 green and blue, $5 green and violet, $10 green and carmine, SG21a/c.
These three high values were prepared for use but not issued.
A brilliant unmounted mint set with full original gum. The $10 with tiny natural inclusion, but a superb quality and rare set.
Only 120 sets believed to have originally existed.
Stanley Gibbons catalogue value: £3,800.
