Nice pair of antique heavy-duty cast-iron porcelain sink support brackets. They are marked T1A 20X24 the manufacturer is Standard. circa 1920s. The white porcelain shows wear and has scratches, scuffs, some rust, rust stains, chips and hairlines in the porcelain. The cast iron is complete without any breaks or cracks.  Overall, in salvaged condition. Please look over all the pictures as they are the best description. Feel free to as questions when needed. Thanks for looking!

They measure approx. 

Overall - 13 1/8" length off wall x 4" tall at wall x 5/8" tall at front x 2" wide at wall x 1" wide at front

Wall Mount 2-hole x Top mount range from 2 1/2" - 5 1/2" slot.