Check the listing for details. #1237 5c The Sciences, Plate Block [27626 UR] Mint **ANY 5=FREE SHIPPING**. Color: Prussian Blue & Black. Listed at 1.00 USD. #1237 5c National Academy of Science 100th Anniversary, issued in 1963. Plate Block Format. Stamps are in mint condition with original gum and never hinged. BUY ANY 5 ITEMS, GET FREE SHIPPING* *To qualify for free shipping, all items must be paid on one invoice and shipped to a U.S. address-NO EXCEPTIONS. Use the "Add to Cart" button shown on all of my listings to combine items onto one invoice. If shipping charges are not calculated correctly on your invoice, please request a new invoice BEFORE making your payment. All INTERNATIONAL orders are charged a shipping fee. When ordering multiple items, please request an updated invoice before making your payment. Visit my E-Bay store to see thousands of philatelic items organized in easy to use categories. Buy with confidence: All of my sales are backed by my no-hassle replace or refund guarantee! Your complete satisfaction is my goal. Should you receive an item not as expected, please contact me immediately, I will happily AND promptly replace your item or immediately issue you a refund. Buy with confidence; I stand behind every item I sell! MEMBER APS #232960