Letterhead. Limerick Municipal School of Commerce/ 68 George Street/ Limerick at centre top over; Senior Master./ John Hamilton F.C.I at right and City Arms (pyramid and pennon) and Motto over Principal and/ organising Secretaty/ James Comerton B.A.. Ms letter 5-12-1910, John Hamilton, Senior master to James Comerton, Principal re changing evening for Economic Geography Classes. Head printed at top of single sheet; letter on one side only. Watermark John McDonnell & Co. Ltd/ Swift Brook.