The couple who found it sent the postcard to Plymouth in an envelope to avoid it getting damaged in the post and, true to its word, the MBA found a shilling on eBay and sent it back as a reward.
Mrs Winkler said: 'It's always a joy when someone finds a message in a bottle on the beach.
'Where does it come from, who wrote it, and how long has it been travelling on the winds, waves and currents.
'My husband, Horst, carefully tried to get the message out of the bottle, but there was no chance, so we had to do as it said.
'We did as it asked, and the story took its course.'
The couple filled out all the details, and send the postcard back to Plymouth in an envelope, to avoid it getting damaged in the post.