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Auction: 13004 - World Banknotes
Lot: 1441

Government of Trinidad and Tobago, uniface colour trial $1, 1905 issue, used as an experiment into colourfastness, blue on green underprint, The Landing of Columbus at left, arms at top left. Note cut into three sections, left half untouched, top right treated with carbolic, bottom right treated with creosole, along with a rubbing on tracing paper taken from each of the treated sections. All mounted on gridded and watermarked paper titled "Appendix A" and dated "18th April 1913"
(Pick 1 for type), unique and an interesting insight into the techniques used to ensure notes were fit for purpose

Sold for
£400