| AA8038 |
1935 Air, colour trials in un-issued colours. The set of six comprising 7½p blue and violet, blue and deep blue, black and blue-green the 10p brown and turquoise-blue, brown and emerald and brown and purple, imperforate on thin ungummed paper, wmk. 'SG'. Lovely and fresh. SG 57b, 57d colour trials |
£600 |
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