This is the Model 4C, four-quart "beehive" bowl, USA-made and with the lock-in base. Glass KitchenAid bowl no handle early.
Hobart Kitchenaid Mixer K45 Vintage Tilt-Head Original OEM Part Beauty Trim Band
Whirlpool Original 240309-2 Genuine OEM WP240309-2 KitchenAid Mixer Worm Gear
GENUINE ORIGINAL KitchenAid KHM5 Hand Mixer Replacement OEM Wire Beaters euc! 7"
Genuine OEM Whirlpool Original 240309-2 WP240309-2 KitchenAid Mixer Worm Gear
