How to date your pieces - Franciscan date marks
http://reviews.ebay.com/FRANCISCAN-MARKS-PACKING-TIPS-DAILY-USE-and-CARE-INFO?ugid=10000000001232112TIP: You will make more money selling pieces versus the whole set at one time if you sell on Ebay, Etsy, etc.
Cannot help you determine the total amount because each piece in question has to be evaluated for condition: Excellent, Good, Fair...
Replacements LTD is a great determination of Store/Market value for insurance purposes - but not for the value if you sell as an individual without a store. Your best bet is to research Ebay, Etsy, etc. and see what the current selling market is asking...and then see if they are getting what they are asking for. Generally, now is not a good time to sell as everyone is tightening the belt after Christmas...and if you're in the US...we got a New Years gift of increased taxes by the USGov!