What is the information specifically that you are seeking on these planes?
Footprint planes were a copy of Record planes. Footprint planes are not considered top of the line and thus do not command prices like a sought after Stanley plane. Your vintage planes date to mid 20th century. They will sell for $20 - $50 each. The best place to offer them is on Ebay where the most possible woodworking enthusiasts would first search for such.