This app is for numismatists. It allows you to catalog a collection of your coins. It has an intuitive interface, ample opportunities for sorting and searching. It has ability to manually adjust the handbooks and advanced features of the built-in filter. You can use this app for collection of stamps and banknotes.Please check the link at https://play.google.com/store/apps/details?id=com.akhaj.coincollectionmanager