There are about 110 different ovate flag cancels! They vary in value from about a $1 to over $100. Easy to get some quick representative examples Completion is a stiff challenge. There are 63 types from Boston similar to this, and 7 more ovates with a folded-over flag (called an "involute" flag.) Plus another 40 non-Boston. With the main listings found on pages 27 and 84 in Frederick Langford's "Standard Flag Cancel Encyclopedia" 4th, available from the Machine Cancel Society.
The one shown above was used 1903-1907, and is one of the more common.
Disclaimer: While a tremendous amount of effort goes into ensuring the accuracy of the information contained in this site, Stamp Community assumes no liability for errors. Copyright 2005 - 2026 Stamp Community Family - All rights reserved worldwide. Use of any images or content on this website without prior written permission of Stamp Community or the original lender is strictly prohibited. Privacy Policy / Terms of UseAdvertise Here