THE EXTRA DAY
$750 · Offered by L. W. Currey
First edition
London: Macmillan and Co., Limited, 1915. Octavo, pp. 1-2: blank i-vi vii-x 1-358 1-2: ads + 8-page publisher's catalogue dated CL. 5.8.15 on page 8 inserted at rear , original decorated blue gray cloth, front and spine panels stamped in gold and black. First edition, Colonial issue. Probably simultaneous with the domestic issue, but with a different binding and publisher's book catalogue.
Found via Rare Books Intel, a search across rare-book dealers, auction houses and marketplaces worldwide.