The label shown above was part of a customer prepared window receipt used mostly from 1908 to 1910. It was available on a limited basis for use at post offices with a high volume of registered mail. Its purpose was to have the person mailing a registered letter complete the return window receipt. The postal clerk would postmark this label affixing it to the item mailed and the receipt portion given back to the customer. Its use was discontinued January 1, 1911 when all postmarkings on registered letters was moved to the back side of the item. This data base documents reported items bearing this label. A listing of labels found used at specific post offices in date order is below.
It is very likely (and desired) you can add usages of these labels from additional post offices. We only have examples of their being used by about half of the over sixty post offices receiving these labels. Also, postmasters were free to send labels along to other requesting postmasters. What new post offices can you add to our knowledge of these labels? Select City Below