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Vintage invitation from The President of Temple University and the Trustees of the National Philatelic Museum for a luncheon held in honor of “His Serene Highness Prince Rainier III, Prince of Monaco and Her Serene Highness the Princess of Monaco” and the preview of the Monaco International Philatelic Exhibition, at Philadelphia’s National Philatelic Museum on October 20, 1956, 5.5 x 8.5, signed nicely in black ballpoint, “Rainier, Prince de Monaco” and “Pesse Grace de Monaco.” In fine condition, with intersecting folds.
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