An engraving has been reported,
but no confirmation has appeared. There are several possibilities
why engravings appear with "unknown" rarity.
1) A seller or dealer may have mistakenly attributed
an engraving to H. Bourne, when it was actually engraved by
someone else. Among other completely unrelated engravers, some
engravings attributed to "H. Bourne" have been discovered to
have been engraved by "R. Bourne" and "T. Bourne".
2) A seller may have described an item as an engraving
when, in fact, it may actually have been a photograph, lithograph,
or etching..
3) A seller may have attributed a non-formal title to an item.
Occasionally, such non-official titles represent
non-titled subjects for other types of engravings such
as stamps or non-US banknotes.
4) The item may be extremely rare. |