Subject:

Prestige-booklet of 5 souvenir sheet with 4 stamps (each of the set) and 25 sheets with the description of release and the best stamps of Australia*

Additional:

*Australia Post invited the public to vote for its favourite Australian stamp. The choice was from 150 stamps representing Australian culture and heritage, major events and significant achievements since the first stamps were issued by New South Wales in 1850. 

The Results in order of popularity: 
1. £2 Kangaroo and Map (1913-38)
2. 5s Opening of Sydney Harbour Bridge (1932)
3. 2½d Peace and Victory (1946)
4. 8½d Gwoya Jungarai, "One Pound Jimmy" (1950)
5. 6d Kookaburra (1914).

On the last six pages are the 145 stamps that were runner-ups in the competition to select the five favourite stamps from the group of 150.

One of them (see the second image, left top corner) is stamp issued for 150th anniversary of first post office in Sidney

Size (of sheet, booklet) mm: 156x103

Topics: Mills within the landscapes Windmills