Istanbul Main Post Office Opening Ceremony

1903–1909

Istanbul Postal Museum

Istanbul, Türkiye

See Database Entry

Postal map

1911

Istanbul Postal Museum

Istanbul, Türkiye

See Database Entry

Switchboard (Telefon Santrali)

1895

Istanbul Postal Museum

Istanbul, Türkiye

See Database Entry

Telegraph transmitter

1912

Istanbul Postal Museum

Istanbul, Türkiye

See Database Entry

The bronze statue representing 22 countries of member of Universal Postal Union

1874

Istanbul Postal Museum

Istanbul, Türkiye

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Stamp sketch

1919–1921

Istanbul Postal Museum

Istanbul, Türkiye

See Database Entry

Morse transmitter

1930

Istanbul Postal Museum

Istanbul, Türkiye

See Database Entry