sorry for back to back to back posts....
The Mystery of the E90-1 Series' is how i found the shaded versions...
for 100 years, nobody knows what E90-1 cards were made in 1909 versus 1911....i have been trying to find details that may give us clues...
this may be the first CONCRETE evidence for a specific series.....
trying to think why it happened is the wrong direction to go....
thinking of what we have in front of us , and what it tells us, is the right direction
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