Vintage 1952 NATO First Day Cover 3c Stamp Washington DC Postmark April 4 1952

Vintage 1952 NATO First Day Cover envelope features a 3-cent stamp and Washington D.C. postmark dated April 4, 1952. The cachet displays a dove of peace with an olive branch, symbolizing the North Atlantic Treaty Organization's mission. Addressed to C. G. Wright in Hagerstown, Maryland, this piece of postal history captures a significant moment in Cold War era international relations.  Topic: NATO Event: First Day of Issue Date: April 4, 1952 Postmark: Washington D.C. Stamp Denomination: 3 Cents Cachet Design: Dove and Olive Branch Era: Cold War Recipient: C. G. Wright Location: Hagerstown, MD Type: Philatelic Cover Material: Paper Color: Cream, Blue, Purple  Keywords: Philately, Stamp Collecting, Political History, 1950s, Americana, Postal Stationery, Diplomatic, Military Alliance, Peace Symbol, Ephemera, Vintage Mail, Historical Document, Mid-Century