Thomas Browne
'The Amphitheatre of Bourdeaux was built by the Emperour Gallienus whose coyns you have seen.' (Oxford, Bodleian Library, MS Rawlinson D 391, f.82; Wilkin 1836, vol. 1, p. 6; Keynes 1864, vol. 4, pp. 6-7, letter 5; Burnett 2020b, p. 748)