1972 National Parks Centennial Stamps Strip of 20 – Double Plate Error #s – Rare Collector’s Item
Offered is a strip of 20 National Park Centennial commemorative stamps from 1972, showcasing the iconic national parks across the United States. This unique strip features a double plate number error (33728 over 33719), adding to its collectible value and historical significance. The stamps retain their full gum backs, ensuring excellent condition. Please examine the provided photographs for a detailed view of this exceptional piece.