ADJ

postage
first-class, second-class
Christmas, commemorative

QUANT

book, set, sheet
a book of ten first-class stamps

VERB + STAMP

put on, stick on
She stuck a first-class stamp on the letter
lick, moisten
issue, launch
The Post Office has launched some new Christmas stamps
collect

STAMP + NOUN

album, collecting, collector

ADJ

unmistakable

VERB + STAMP

bear, carry
His work bears the unmistakable stamp of genius
leave, put
She left her stamp on the school

PREP

~ of
the stamp of authority