Largest collection of first day covers stamps

According to Official Guinness Records,

The largest collection of stamps - first day covers is 7,215, achieved by George Vavvas (Greece), in Ionnina, Greece, on 6th April 2013.
Geogre Vavvas has started his collection in 2005. The first day covers are coming from 119 different countries.

For a complete list of 2013 records, please visit 2013 Guinness Records in Greece.

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