19th Century, 2ft - 4 fold ivory 'architects' rule by J Rabone & Sons, with scale rules, 2ft - 4 fold by E Preston & Sons, 1ft - 4 fold unsigned (3)
Sold for £31
Result plus buyers premium
19th Century, 2ft - 4 fold ivory 'architects' rule by J Rabone & Sons, with scale rules, 2ft - 4 fold by E Preston & Sons, 1ft - 4 fold unsigned (3)
Auction: The Collectors Sale, 5th May, 2022