http://ottawa-exchange.com/Ottawa Hobby & Collectors Free Classifieds. Ottawa collectors and hobby items for sale. Do you collect coins, stamps, model trains or cars, rare music or other music or sports memorabilia? Buying or selling something of interest to another Ottawa enthusiast or collector? Advertise or browse here. Free.xml.php (inhouse/1.0)/img/v4ott.gifhttp://ottawa-exchange.com/