If I were trying to match it I would take a rag or two, ball them up, stick them in a plastic bag, and use that dipped in mud to apply the texture. Then come back and knock it down with a 12" or larger taping knife.
Drywall Talk - Professional Drywall and Finishing Contractors Forum
A forum community dedicated to professional drywallers and enthusiasts. Come join the discussion about the industry, safety, finishing, tools, machinery, projects, styles, scales, reviews, accessories, classifieds, and more!