1793. A rare and very attractive example of a French Napoleonic prisoner-of-war work ‘hornbook’ manufactured from bone, probably cow or sheep, sometime between 1793 and 1815, though the inclusion of the long, medial ‘s’ in the lower case alphabet would suggest a date towards the earlier portion of that span The hornbook is double-sided with an engraved upper case alphabet to one side, and a lower case alphabet, together with an ampersand and the five vowels to the other. The shaped handle has a small engraved flower to both front and back. 102 x 40 mm. Worn at top corners, else in very good condition. Bone hornbooks, which were made by French prisoners-of-war in England for both sale and barter, are much scarcer than ivory hornbooks as they were probably considered to be inferior by the educated classes.