Philip Mathias Wolsieffer (May 28, 1857 – October 20, 1934), of Chicago and Philadelphia, was a stamp dealer and auctioneer who sold stamps and philatelic items during the early years of stamp collecting.
Philip Mathias Wolsieffer (May 28, 1857 – October 20, 1934), of Chicago and Philadelphia, was a stamp dealer and auctioneer who sold stamps and philatelic items during the early years of stamp collecting. (en)
Philip Mathias Wolsieffer (May 28, 1857 – October 20, 1934), of Chicago and Philadelphia, was a stamp dealer and auctioneer who sold stamps and philatelic items during the early years of stamp collecting. (en)