A STAMP cost a shilling when the first Kellyville post office opened in the public school on the corner of Acres and Windsor roads on January 1, 1889. Hear an oral history recording here at Hills Voices Online. Kellyville's postcode was 2153 in 1889, and the postmistress was Mary Price. Her salary was £10 a year. For full story and link to extensive audio recordings, click here.