Letter frame sizes are used by Smith & Wesson. Dan Wesson Firearms is no relation to S&W, and does not use a letter.
He is know 48
200-1000 or so depending on specifics
100-400
Model 15
47
Revolver made by D Wesson chambered for 357 Magnum
This is for SMITH and WESSON firearms.
50-500 usd
100-400 USD
100-400
100-500
100-400 USD or so