Small Treasures in the John Marcum Papers (Part 3)

For part three of this week's series on the recently processed John Marcum papers, we focus on ephemera. Most of these items might be overlooked by those mining the rich correspondence and notes, but they certainly have their own tales to tell.
Two portraits of Marcum: on his library card for the Bibliothèque Nationale de France in Paris and on identification papers from a trip to Ethiopia:
Speaking of Ethiopia, here's a 1973 invitation to a luncheon with Emperor Haile Selassie. Dark suit requested:
Included in the collection was an old wallet of Marcum's, full of receipts and scraps of paper (but no money!). The letter is by two Angolans requesting books in English, which could be charged to Holden Roberto, implying that the two were part of the Union of Peoples of Angola (UPA) or National Liberation Front of Angola (FNLA). These two small paintings were also in his wallet; they are signed but I can't quite make out the letters: