It also features thereplicated signature of John Beswick in the backstamp, marking it as part of the short-lived BP4 range — a rarity for collectors. Backstamp: BP4 (with John Beswick signature). This short-run BP4 issue is particularly collectable as it represents the crossover betweenBeswick andRoyal Doulton production, appealing to both Beatrix Potter and English pottery collectors alike.