Always put the year, mint mark, type, and denomination.
If you have no idea what it is, if there is writing on it, put it in the title. If it has a buffalo on it, say that in the title.
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This enables the members with expertise pertaining to your question to easily find and answer your question. The title of the topic also becomes the title of the topic's web page, which enables us to attract more collectors to the site. The more members we have, the more we learn.