What is deltiology?

Hobby about collecting postcards
Science of quantum equations
Science flavor of wines
Fields of medicine about i.a. intestines
Of­fi­cial­ly the biggest col­lec­tion post­cards has got Mario Morby from Great Britain. Contains 1 000 265 pieces. It is of­fi­cial­ly record in Guinness Book of Records.

Answers distribution

Hobby about collecting postcards
Science of quantum equations
Science flavor of wines
Fields of medicine about i.a. intestines
answers
flagPoland
31%
17%
24%
25%
241

Gender

men23%
women22%
Hobby about collecting postcards
23%
22%
Science of quantum equations
28%
25%
Science flavor of wines
23%
14%
Fields of medicine about i.a. intestines
25%
37%

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What is deltiology?
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Author: lukasz Poland
Illustration: wikimedia
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