![Mystery envelope sent from America to UK arrives empty - 80 years after it was posted - Mirror Online Mystery envelope sent from America to UK arrives empty - 80 years after it was posted - Mirror Online](https://i2-prod.mirror.co.uk/incoming/article29438282.ece/ALTERNATES/s1200c/0_SWNS_DELAYED_ENVELOPE_001.jpg)
Mystery envelope sent from America to UK arrives empty - 80 years after it was posted - Mirror Online
![Amazon.com : BankSupplies Blank Drive-Up Envelopes | Open End | 3-3/4W x 7H | Case of 500 | Press to Seal, Latex Flap Closure | Banking, Budget, Cashier, Teller & Cash Envelopes : Office Products Amazon.com : BankSupplies Blank Drive-Up Envelopes | Open End | 3-3/4W x 7H | Case of 500 | Press to Seal, Latex Flap Closure | Banking, Budget, Cashier, Teller & Cash Envelopes : Office Products](https://m.media-amazon.com/images/S/aplus-media-library-service-media/214442b1-d105-4451-820e-66e255f5fd1d.__CR0,0,970,600_PT0_SX970_V1___.png)
Amazon.com : BankSupplies Blank Drive-Up Envelopes | Open End | 3-3/4W x 7H | Case of 500 | Press to Seal, Latex Flap Closure | Banking, Budget, Cashier, Teller & Cash Envelopes : Office Products
![165X10"/3 3ply Tanzania 80g Thick Bank Password Envelope Pin Mailer - China Pin Mailer and Bank Password Envelope 165X10"/3 3ply Tanzania 80g Thick Bank Password Envelope Pin Mailer - China Pin Mailer and Bank Password Envelope](https://image.made-in-china.com/2f0j00WOFtfmaPhQpJ/165X10-3-3ply-Tanzania-80g-Thick-Bank-Password-Envelope-Pin-Mailer.jpg)
165X10"/3 3ply Tanzania 80g Thick Bank Password Envelope Pin Mailer - China Pin Mailer and Bank Password Envelope
![Built for Mars on Twitter: "So, let's take something seemingly insignificant: the envelopes that the banks used to send out the cards in. Every traditional bank, without exception, sent their cards out Built for Mars on Twitter: "So, let's take something seemingly insignificant: the envelopes that the banks used to send out the cards in. Every traditional bank, without exception, sent their cards out](https://pbs.twimg.com/media/EZ5CcN_WoAECzmT.jpg:large)