TPOs - Study Report Updated - March, 2018. |
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as potential variants, illustrated in scan form - with no drawings to complicate matters further;
what you see is what appeared on the cover or card - and with brief description of how the variant is different from the original. In many cases this is simply
a matter of month-indicator in European or Roman cyphers; in others it is more significant.
It is important to make two points:
1. This study is not complete - we invite members to update, to make comments, to point out new "variants".
2. We have purposely not given apparent varieties new type names: the original work was groundbreaking and massively significant. What our study groups
have discovered does not in any way disturb the original division into types, merely fine-tunes some elements of it.
Our thanks go to the master,
Peter Smith,
without whose original work none of this would have been possible.
Mike Murphy
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