While there is no such thing as perfection what is meant here is 'perfect' in that no flaws are detectible without going to extraordinary measures of examination, such as using a magnifier. Slight imperfection, noticeable on close inspection. Most shells fall into this category. This quality is often termed 'beach'.
Complete data is supplied wherever possible.
Each shell is supplied with a label with scientific name and available collection data. Sometimes only basic data is available for a shell. This means only the country or region of orgin is known, and nothing more. The following conventions are used in the list. Orders will be filled on a first come-first served basis.