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Bidboard # 1879
Lot # 62
Catalogue Value or Estimate: $750.00
Price Realized: $270
Canada # 340iii

VF MNH lot of 6 different plate blocks consisting of upper right and left positions from plates #15 and a matched set of plate #16 of the 4c violet QEII Wilding definitive issue, that is listed in the Unitrade catalogue as the scarce vertically ribbed HB paper. The actual fluorescence level of these blocks is closer to MF, certainly brighter than "F" but not as bright as the 3c carmine rose "HB" under a UV lamp. In D. Robin Harris' Wilding Definitive handbook the highest fluorescence listed for the 4c violet is HF and these blocks are just a shade less bright than that and the companion lot of #338iii. The fluorescence levels on this issue are notoriously difficult to detect as this was a period of transition to using fluorescent printing papers. 2019 Unitrade.