2R12.1 (R&S 3-2) The Upper Latent Re-entry

Plate Position - 188 of one of the 200 image plates of 1892

ERU =July 31, 1892 (R&S)

LRU = Ap 12, 1893 (J. McCormick)

Multiples: Plate Position Block of 20 - mint

Confidence in identification: 100%

Notes:

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