Vintage 1940s Post-War model 501xx Levi’s jeans.
Dark wash selvedge denim with 4 total buttons on the fly. 
Top waist button backing is copper. 
Riveted  selvedge watch pocket. 
Jerky tab remnants on the back of the waist. 
Hidden rivets have been exposed as pockets were removed. 
Paint mark on back side and slight fraying above one back rivet.
Slight wear to inner thighs.
Yellowish tint to outer thighs on hips.
These are a collectors item and the price reflects that as well as the condition. These have decades of life left and little wear.
Measurements:
30” waist
11.5” rise
42” hip
33” inseam
8” across leg opening at hem
12” across upper thigh
42.5” outseam