Send email using website Collaborate and Share section. It will be used for non-commercial purposes always.
To share information of Newfoundland stamps used on covers for collectors, auction houses, other organizations, or postal history. A limited census or exemplars as each cover had a unique life. Also, a hobby sharing of one person’s collection.
There are several 3rd party numbering systems used by stamp collectors. One of which is used by Scott and Unitrade.