\documentclass[10pt,stdletter,dateno,sigleft]{newlfm}% Extra options: 'sigleft' for a left-aligned signature, 'stdletternofrom' to remove the from address, 'letterpaper' for US letter paper - consult the newlfm class manual for more options
\usepackage{charter}% Use the Charter font for the document text
\newlfmP{sigsize=30pt}% Slightly decrease the height of the signature field