"Rocky Cliff on a Coast" is a black chalk drawing executed with stumping technique, a method where the artist uses a blended stump or tortillon to create soft gradations of tone. The work demonstrates the atmospheric qualities achievable through this medium, suggesting depth and dimensionality through subtle variations in value across the rocky formation and coastal landscape. Anonymous's skillful handling of the chalk medium captures the textural ruggedness of the cliff face while maintaining an overall sense of light and spatial recession.