Unusual Blue Mason Canning Jarhttp://yedda.com/questions/Unusual_Blue_Mason_Canning_Jar_627101171387923/?src=rss:qb:qbsUnusual Blue Mason Canning Jaren-usUnusual Blue Mason Canning Jarhttp://static1.yeddacdn.com/images/Logo132X46_rmt9c1d22d.jpghttp://yedda.com/questions/Unusual_Blue_Mason_Canning_Jar_627101171387923/?src=rss:qb:qbsUnusual Blue Mason Canning JarUnusual Blue Mason Canning Jarhttp://yedda.com/questions/Unusual_Blue_Mason_Canning_Jar_627101171387923/?src=rss:qb:qbi<p>For Blue Mason Canning jars, is a five cup size jar uncommon ?  There are 1/2 pints, pints, quarts and two quarts....but a size between a quart and two quart size ?</p>LimeLimequestionMon, 07 Sep 2009 12:48:45 GMThttp://yedda.com/questions/Unusual_Blue_Mason_Canning_Jar_627101171387923/?src=rss:qb:qbiRE: Unusual Blue Mason Canning Jarhttp://yedda.com/questions/Unusual_Blue_Mason_Canning_Jar_627101171387923/think_5_quart_rare_nbsp_say_quarts_149937119086751?src=rss:qb:qbi<p>I think the 5 quart would be very rare. Does it actually say 5 quarts?  I have never seen one and I have perhaps 100 vintage canning jars.  Check to see if there is a number on the bottom of the jar and perhaps you may also find a manufacturer.  the 'Mason' was used generically after the original patent expired in the late 1800's. </p>HowardHoward63answer3.0Mon, 07 Sep 2009 19:31:23 GMThttp://yedda.com/questions/Unusual_Blue_Mason_Canning_Jar_627101171387923/think_5_quart_rare_nbsp_say_quarts_149937119086751?src=rss:qb:qbi