Lot 51292 – 1986-94 Fiscal revenue proof corner blocks of four eleven examples from 50b to 10r attractive and colourful

1986-94 Fiscal revenue proof corner blocks of four eleven examples, including 50b grey-blue, 50b deep-blue, 100b pale greyish-lilac, 250b deep-yellow, 500b dull-rose, 1r blue-grey, 1½r red, 3r deep-green, 4r pale-buff, 5r violet and 10r brown, eight which are signed and dated, attractive and scarce.