

Từ 1,50 €. Miễn phí tại Pháp từ 40 €.
Telecom competition postcard where the sender Schiltz from Luxembourg answered the question 'Find the hidden city' by writing 'Winchester'. The back indicates the correct answer 'Winchester' and mentions the publisher 'Telekaart' as well as the recipient's address in Paris. A 14 franc Luxembourg postage stamp.