Vintage Sheaffer Mid Century Onyx Pen Holder with Brass Perpetual Calendar

Very good vintage condition. No chips or cracks. Brass shows minimal signs of wear and patina. Only flaw is the original Sheaffer pen is cracked (pictured) and current held together with tape. Pen could easily be replaced. Measures 7 x 3.5 inches. Measures 5 inches tall including pen holder.