Impossible to answer without a DETAILED description. Value could range from 100-1000 or more.
it has wood grip
The value can vary widely based on condition and age. A Colt DA 38 can sell anywhere between $300-1,000.
10-1000 USD or so
No way to value without a detailed description
The Colt DA 38 Model # 1901, can only use a 38 short, not a long or special.
Impossible to value with just the sn.
1905
Only Colt knows
Yes.
You could get a historical letter from Colt. Cost is about 100 USD or so.
DA 38 Seril # Army 138 501
237571 is stamped on metal frame between the pistol grips
What model?