JAMES ALSTON & SONS PUMPS. WINDMILLS, &TROUGHS, SOUTH MELBOURNE
The printed to private order window cover has an advertisement for James Alston & Sons PTY. LTD., Windmills, Pumps, Troughs, Steel Tank Stands, Etc., South Melbourne S.C. 4, Victoria. The green printed 1½d KGVI Head stamp is cancelled with roller postmark with a boxed MELBOURNE/ 26 FEB/ 1948 as well as a slogan PREVENT/ BUSH FIRES. Below the cover’s there is another advert: Over 50,000 ‘ALSTON’ WINDMILLS in use throughout