The cards included contact details for “Alex Lee” and were stapled to small bags of cocaine, according to police in Calgary, Canada.

Officers began surveilling the casino after receiving a tip-off on Christmas Eve last year, CTV News reports.

On Saturday, police finally arrested Seyyed Amir Razavi, 30, and searched his vehicle and home, allegedly finding 59.6 grams of cocaine in small bags and a package of business cards with the name “Alex Lee”.

They also recovered a digital scale with traces of drugs on it and $1,280 CAD (around €880) in cash, they said.

Razavi has been charged with two counts of trafficking a controlled substance, one count of possession for the purpose of trafficking and three counts of possession of proceeds of crime under $5,000.

He is no longer in custody and has been directed to appear in court on Monday 26 February.