airmail flight cover: United Air Lines, first jet mail service, AM-1

Date:03/18/1960
Medium:Paper, ink
Credit Line:Anonymous gift
Accession Number:2012.040.003
Dimensions:3 3/4 x 6 1/2 inches (9.5 x 16.5 cm)
Collection:Aviation Archive
Category:Philately
Subcategory:Airmail Flight Cover
airline: United Air Lines
company: United Airlines
Description

Airmail flight cover, first jet mail service, AM-1, San Francisco - Washington-Baltimore route; black shield-shaped cachet with image of aircraft in flight and route map; postmarked March 18, 1960 in San Francisco with four-line cancellation mark over 7-cent airmail stamp; backstamp: March 18, 1960 in Baltimore.

URL
IIIF Manifest
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<div id="sfomuseum-image-1527854483" class="sfomuseum-image" style="max-width:640px; margin:auto 0;">	 
  <a href="https://collection.sfomuseum.org/objects/1511951599/"><img src="https://static.sfomuseum.org/media/152/785/448/3/1527854483_DbcGkBxMgD5ZIxFTOe91LkeJa8hDW72t_z.jpg" alt="airmail flight cover: United Air Lines, first jet mail service, AM-1"></a>
  <div id="sfomuseum-image-caption-1527854483" class="sfomuseum-image-caption" style="margin-top:1rem; font-style:italic;">
    <div><strong>Airmail flight cover: United Air Lines, first jet mail service, AM-1</strong> 03/18/1960<div>
    <div>Anonymous gift<div>
    <div>Collection of SFO Museum <a href="https://collection.sfomuseum.org/objects/1511951599/">2012.040.003</a><div>
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