| http://www.w3.org/ns/prov#value | - = 40 freeWELCOME = 40 free (for new users)I would suggest using the WELCOME initially, placing the order for 40 prints then going back and using the code for each of the others, noting that each order needs to be placed separately rather than trying to do it all together, e.g. do 40 prints, then an order for 40 prints then an order for 50 prints.
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