Longman Dictionary of Contemporary English
pension book
noun
EXAMPLES FROM CORPUS
▪ Her inner pockets are stuffed with pension book, handkerchiefs and tubes of Parma Violet sweets for the breath.
▪ On leaving the field, Mickey found a purse containing four pounds, a pension book and a set of house keys.
▪ When claiming a concession, you will be asked to produce your pension book as proof of entitlement.
Usage examples of "pension book".
Lend money at high interest and if they didn't pay, take their pension book or dole payment book.