Check the listing for details. JERSEY 20 POUNDS BAIRD (P23a) FIRST PREFIX BC 500142 LOW NUMBER UNC. Listed at 149.94 USD. Other Information: Sig. Baird First Prefix BC 500142 Low Number. Grade: UNC. Country: Jersey. Catalog Number: P 23a. We attend many of the international & UK banknote shows, from London to Hong Kong.