The writing instrument favored by the former president of the United States for signing official documents and executive orders is typically a Sharpie marker. Specifically, it is observed that he often utilizes a fine-point Sharpie.
The selection of a particular pen can be significant due to its impact on the signing process, document legibility, and overall perception. Using a bold marker allows for a clear and easily reproducible signature. In the context of executive orders, the choice of pen contributes to the historical record of the document.