Autograph note signed to Henry Blackett of Hurst & Blackett, publishers

Irish-American writer of boys' stories (1818-1883). Two pages, 8vo, in a bold though smudged hand, text just legible. "My dear Mr Blackett / May I beg you will let me have one more copy of The Hero in spite of himself -- s[?] I only had two [underlined], and six [underlined] is the allowance usually given me. I have like all authors one or two friends who will not buy, and yet who expect to read my books."