The White Pearl or Magic Beauty II sets are regarded as exceptionally rare and were in 2003 led only in a few boutiques; the edition of the Mozart sets is said to be in the two-digit range, that of the 144/164 somewhat higher. A purchase price of 750 euros for a Mozart set is classified as very cheap. The original retail price was, according to boutique information, around 860 euros for the 144/164 variant. The claim that the set is already 15 years old is wrong; correct is the first issue May 2003. Because of low demand and unfavourable dollar exchange rate, it is currently rather advised to hold than to sell.