巡回 じゅんかい連絡 れんらくカードでしょう
junkairenrakukādodeshō

Noun
Desu Copula

Expresses probability in a polite manner ("probably…") of 巡回連絡カード

1. Probably a circulation/route card.; Possibly a visiting/inspection card.

Polite
Presumptive
Conjecture