Lot 50393 – La Unión Provincial Provisionals. An extraordinary group of 59 stamps

La Unión Provisionals. An extraordinary group of 59 stamps featuring the « blank paper » issue, with 24 singles o.g., all except one being marginal, including 2c to 25c three sets of eight each printed in black, violet and red, partial sheet reconstruction of 2c comprising 35 stamps and containing one marginal block of ten at top featuring the two horizontal rows at top, few examples with imperfections; a very rare assembly; ex Lange.