scott number

  1. 15 $5 stamps on a envelope

    Some time ago I found a bunch of old stamps in a house I was cleaning and being a stamp collector for many years I knew I found some real good one.My question I hope somebody can answer is what is the most $5 scott # 834 on a letter???The one I found has 15 $5 scott # 834,one 50 cent scott #831...