I have data on 36 roll engraved rifles:
300 = 21 ea
30-30 = 4
303 = 9
250 = 2
35 are EG's and 1 T.
5 of the 36 don't have swivels/loops
If value is influenced by rarity, these 36 guns should be worth a FORTUNE!!!!
How many variations in your data bank show up LESS than 36 examples?