1979 US Postage Stamp Albert Einstein Plate Block Of 4 15c Scott #1774

1979 US Postage Stamp Albert Einstein Plate Block Of 4 15c Scott #1774 You are buying this exact stamp block. Unless otherwise noted all stamps will have no significant gum disturbances or creases (although natural gum creases are possible for older stamps). There will be no pulled perfs although certain older stamp sets may have moderately weak connecting perfs that could sag particularly some of those in the 1930's to early 1940s that were manufactured in ways that lead to this. Mint Never Hinged, Original Glue. You will receive the exact stamps pictured. I only sell authentic stamps. I purchase directly from USPS. Abbreviations Anniv Anniversary APU Ashton Potter (USA) Ltd. (Stamp Printing Company) AVR Avery Dennison (Stamp Printing Company) BCA Banknote Corporation of America (Stamp Printing Company) BEA Bureau of Engraving and Printing (Stamp Printing Company) BWP Black & White Pictorial Postmark CCL CCL Label, Inc. (Stamp Printing Company) CDS Circular Date Stamp Postmark DCP Digital Color Pictorial Postmark DCTS Die Cut to Shape (a special Canada Stamps variant which comes from Canada Post Quarterly Collector Pack)