There is a '81 gazelle champion mondial pista for sale on marktplaats:
http://www.marktplaats.nl/a/fietsen-en-brommers/fietsen-heren-sportfietsen-en-toerfietsen/m810397808-gazelle-champion-mondial-pista-baanfiets-stayer-campagnolo.html?c=8c285449651fa109c354bbabe740c1b&previousPage=lr
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There is a '81 gazelle champion mondial pista for sale on marktplaats:
http://www.marktplaats.nl/a/fietsen-en-brommers/fietsen-heren-sportfietsen-en-toerfietsen/m810397808-gazelle-champion-mondial-pista-baanfiets-stayer-campagnolo.html?c=8c285449651fa109c354bbabe740c1b&previousPage=lr