3070 PORTUGAL - GENERAL ISSUES Auction #2317: WORLDWIDE + ARGENTINA: Special May auction Block of Four / Mint NH (Virgin Gum) Cat.#: Sc.906 var. VF. Sc.906, 1963 1E. Postal Conference of Paris, block of 4 with VARIETY: light blue and dark blue colors with strong downward shift, MNH, excellent quality! Starting Price: US$ 25 Current Price: US$ 35 Bid US$ 39 or more Closing: 2023-05-11 22:25:00