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Lot # 97 | ** | Scott # 1731, a
| 1978, Carl Sandburg, 13c black and brown, bottom sheet margin vertical transition pair, bottom stamp with light impression of black and completely omitted brown color, full OG, NH, VF and scarce, according to Datz only ten such varieties recorded, PF certificate No.0291245, C.v. $2,000++ . |