searching for info about Agatha's Bester i've found this impressive site. it's a collection of tea tins, 1000 he says on the index page. the info about the tin is in slovak, but is a small detail, you can understand most of it, because are names and addresses, anyway you can get almost lost among so many tins... ;)
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the collector is called Stanislav Breja, in Brastislava, Slovakia
regards from madrid, spain bonifacio barrio hijosa
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... site in progress