1. Vintage Armstrong Saxophones:
- _Alto Saxophones_: $1,500 - $5,000
- _Tenor Saxophones_: $2,000 - $6,000
- _Baritone Saxophones_: $3,000 - $7,000
2. Modern Armstrong Saxophones (post-2000):
- _Alto Saxophones_: $1,000 - $3,500
- _Tenor Saxophones_: $1,500 - $4,000
- _Baritone Saxophones_: $2,500 - $6,000
Please note that these values are just approximations and can fluctuate based on market demand and the specific condition of the saxophone. It's always a good idea to get an appraisal from a reputable instrument dealer or appraiser to determine the accurate value of a particular Armstrong saxophone.