The Dymo 1550 embossing label maker that was my grandpa's, I still use it regularly, and have had it since I was 14. I think it's an early 80's product. Still awesome. :
Dymo 1570 Label Maker 3 Embossing Wheels Case for sale online | eBay
Dymo 1570 Label Maker - Mara Industrial
Is Your Retro Label Maker Not Printing? I Have a Fix For That. - The Art of Doing Stuff
SOLD! 1970's Dymo 1570 Chrome Label Maker with 6 Refills