I was 38 years dealing with the collection of ancient coins and artifacts from the stone, bronze and iron age, and objects from the Roman period. Some items I bought in the auction houses, but most of the stuff I bought at fairs Numismata in Munich and Vienna, and the other smaller fairs in Germany. At these fairs were not issued receipts for purchased items even though they are legally organized trade fairs in Germany. How can I now prove the origin of things in your collection? When I bought those things, I bought them in order to trade, but I expect them to me or my children one day in the

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