1 & 1 are 2. Dean’s 6d Rag Book Series 1. Number 178.
London: Dean’s Rag Book Co., Ltd, No date [circa 1920]. 10 pages. Illustrated in colour by Richard James Williams. 135 x 114 mm. A fine copy from the Dean archive with the original paper advert’ slip still loosely laid in. See Cope, page 88. However, this has a variant cover design with the titles in numerals rather than words.