Need Help Identifying This 3 Belt Crank Pully from A 273 Commando Engine With A/C

Here's a 3 groove crank pulley from our factory 67 273 AC Commando. No #'s that i see.

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Looks like same pulley my '69 340 w/ac has. My car was factory AC and factory manual steering. So apparently if you got AC you got the 3 groove crank pulley with or without PS.