1. Well-worn circulated condition: A well-worn Morgan dollar from 1878, with significant wear and tear on its design elements, can be valued between $25 to $50.
2. Lightly circulated condition: A lightly circulated Morgan dollar from 1878, showing moderate wear but still retaining some details of its design, can be valued between $50 to $100.
3. Very good circulated condition: A Morgan dollar from 1878 in very good circulated condition, with light wear and most of its design details visible, can be valued between $100 to $150.
4. Extremely fine circulated condition: An extremely fine circulated Morgan dollar from 1878, showing minimal wear and preserving most of its original details, can be valued between $150 to $250.
Please note that these values are approximate and can vary based on specific factors such as the grade assigned by a professional coin grading service, current market trends, and the presence of mint errors or special features. It's always advisable to get a professional appraisal for a more accurate valuation of your coin.