Lot 41417 – 1930-2000, An outstanding BUTTERFLY thematic colle

1930-2000, An outstanding BUTTERFLY thematic collection housed in 58 albums/stockbooks, with a wide variety of worldwide countries represented from Azores to showing proofs, progressive proofs, imperforate, control blocks of four, first day covers, specimens, booklets, postal stationery & special cancellations, a truly fantastic thematic collection, an excellent basis for the study of these amazing insects (10’000’s) and the BEST EVER FORMED COLLECTION we have ever seen on this theme (Est. € 8’000/12’000)