Freddie Mercury’s childhood stamp collection will be on display at The Postal Museum in London starting next month.

The late Queen lead singer’s stamp album will be on display in the museum from July 13 to October 30 as part of the 50th anniversary celebrations of the UK Pride movement.

Mercury was born Farrokh Bulsara and spent his early life in Zanzibar, where his father Bomi Bulsara worked in the British colonial office. It was his interest in stamps that likely inspired Freddie’s stamp collecting.

The collection includes stamps from a wide range of countries around the world, many from the former British Empire. The album also incorporates stamps from his country of birth and a wide selection of stamps from Eastern Europe.

Bomi Bulsara auctioned his and Freddie Mercury’s stamp collections, and The Postal Museum’s predecessor purchased the album in 1993.