Extract from Campbell - The Queensland Registration System

This is part of the chapter on the Queensland Registration system published by Hugh Campbell in his publication Queensland Postal History published in 1990.

While much of the material has been superceded by this blog, it still contains much interesting material. Clicking on the images will open them up in a larger format 

And this article: Queensland Registered Markings by H. M. Campbell in Philately from Australia vol 15 no 1 March 1963 pp. 9-12