These receiver sights are in pretty decent shape. I do not know what they fit for sure, so you must know what you are looking at. They all could use a good cleaning.
The first “I’ll take it” posted below in a reply followed by a TIMELY PM (NOT EMAIL, seldom works) with your contact information and method of payment “gets it”. The payment method can be Discrete Paypal Friends or Family (otherwise please add 3% for PayPal fee) or USPS postal money order. Also, Please include your EMAIL address since it is a quicker way for me to reply. And ZIP code for postage. Please email any questions.
Lyman 57 SME. May fit the 1903/A3, Mauser, Enfield rifle. The price is $55.00 plus actual shipping and insurance.
Redfield. This sight is only stamped with a “M”. The price is $65.00 plus actual shipping and insurance.
Lyman WJS. I believe this is a 48 WJS. The price is $135.00 plus actual shipping and insurance.