Dozens of models of Lee-Enfields were made from the late 1800's up to the mid 1970's. Without more definition of what model you have, it is impossible to answer your question.
What is my 303 savage model 99 worth?
50-1000
50-160 or so
Cooked lobsters are currently worth 303 coins.
2,500.00
I bought mine for $228 Canadian
If its really that old and in good condition it can be worth a pretty penny my friend
100-1000 USD or so depending on specifics
50-250 uSD
If it's a W-W Super, .303 Brittish it's not worth much. This is a common round. W-W stands for Winchester-Western (brand name of the ammo manufacturer), SUPER is a line of ammo they offer, and .303 Brittish is the caliber of the bullet. A box of 20 rounds can be bought for around $10.
100-300 USD or so
50-500 USD depending on EXACTLY what you have, condition, accessories, etc..