34390 Netherlands perfins 1872-1965.
Beautiful, very extensive collection of perfins from the Netherlands 1872-1965, including various perforations, syncopated, better stamps such as NVPH 47-48, airmail 12-13, etc. Also some overseas, set up in 13 special albums. In total about 14,000 (!) different items, including very rare material!
click here for all the photos (opens in new window).