Its owner will have impressions of many countries (5,5)

I believe the answer is:

stamp album

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'of many countries' is the definition.
The definition suggests a singular noun which matches the answer.

I cannot understand how the remainder of the clue works.

Can you help me to learn more?

(Other definitions for stamp album that I've seen before include "Something used by philatelists" , "Philatelist's book" , "collector's book" .)

I've seen this clue in The Globe and Mail.

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