Need to ask about a lot?

PAPUA NEW GUINEA - 1975-2000 ALL DIFFERENT NHM COLLECTION An attractive & comprehensive collection presented on stock book pages. Virtually complete from the early 1975 issues through to the 1990's, includes 1982-85 Corals definitive complete set to 5k Bird of Paradise, 1987-88 Ships definitives most values to 2k, followed by a plethora of commemorative sets of the period. (guess 450+ stamps & 10+ m/s)