Welsh 1969-1972 Black Sheep Banknotes - 10 shillings, £1, £5, £10 and 5 swllt Banknotes, cut and uncut sheets, issued by the Welsh banker Richard Hugh Williams of Llandudno, Wales. The notes were private issue by Williams's private banking venture, and each issue had to be approved by the Board of Trade (16 banknotes in total)