1913-21 Watermark Crown over Double-lined A Thin Paper 1d Rose-red and Green Perf 14 Cooke printing mint with JBC monogram, part OG but a little heavily hinged. BW prices for monograms of D97 are for the commoner Scarlet and Pale Yellow-green shade, footnote 7 notes 'monograms in Rose-red and Green (D97A) are extremely rare'; in fact, we no of no example other than the one offered here. A very important piece, with marginal watermark letters 'MMO' indicating the monogram is from the left side. BW 97Aza, unpriced