Baskin-Robbins is celebrating the 31st of the month with $1.50 scoops on Friday, 3/31.
This offer is valid on every size scoop, but waffle cones and toppings are extra. Valid at participating locations from 10 am - 9 pm. Cost is $1.50 plus tax.
And yes, it used to be $1.31 per scoop.
See more details at the Baskin-Robbins Facebook page.