That was item 900. Listed as NO 10 GRIPSO MULTI DUTY - BASFORD S.F. USA PAT. No. 2600512 - - 7.75" different slip joint pliers. Patented by Homer A. Mead of Turlock, California. Gripso! What a great tool company name!
I have an unmarked pair. I've seen P & C., Proto, and Gripso. Looks like the patent was licensed or sold to several manufacturers.
Item 901 was a P&C version of the same pliers. Listed as P & C - 1234 - MFG. USA - USA - PAT. No. 2600512 That lisiting mentioned up to 5 different manufacturers of similar pliers.
I love P & C's Model number 1234. Classic!
These rarely go cheap on the 'bay. Usually upwards of $20US.