| 1866 2PAR 6 cliches |
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| T1 | T3 | T1 | ||
| T5 | T6 | T5 |
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| T1 | |||
| T5 | T 1 | ||
These three blocks
courtesy: Harmers of London Roberto Sciaky
collection
 courtesy Koehlers Types 3- 1/6 - 4 |  courtesy Koehlers thin paper Types 2- 3 / 5 - 6 |