New collectors: If you are looking to for an easy-reference guide to your US coin collection, I suggest the Red Book or the U.S. Coin Digest. If you are considering selling any coins, you should also get the latest “Blue Book” — as its wholesale price values are close to what yo...
Free coin and medal valuations and free toy valuations are also available. Selling postcards and cigarette cards? We will value your collection free of charge. Give our experts a call on 01926 499031 to discuss your collection today or why not send us an email info@warwickandwarwick.com. ...
1. A phone card revaluing method for altering the value of a user's phone card by way of an electronic commerce terminal system comprising the steps of: a) detecting whether a phone card has been inserted or swiped in a card reader coupled to said electronic commerce terminal, said phone...
& S.A.: Data Collection and Curation R.K.: Overall Supervision and Guidance. Competing interests The authors declare no competing interests. Additional information Supplementary Information The online version contains supplementary material available at https://doi.org/ 10.1038/...
112 7 of 16 During the data collection process we have realized that a large majority of the peer reviewed non-market valuation literature on water focuses not only on providing valid estimates of willingness to pay for water quality improvements, but also on the methodological issues associated ...