« Reply #5 on: Wednesday 25 December 24 12:09 GMT (UK) »
It does look like 18 and maybe an a. Possibly a studio reference number for reprints etc.
Crosbie, Crosby, Black, Woods, Johnstone, Kelly, Howatt, McMillan, Wauchope Scott, Smith, Gibbons, Roberts, Hildred, Jones, Hughes. Curran, Palmer. Hughes, Jones, Wilcox, wilbraham, owen
Liverpool, Dumfriesshire, Kirkudbrightshire, Cheshire, Flintshire, llanrwst, trefriw, Lincolnshire, America, Canada, New Zealand.