Right to left:
1. SOLD
2. SOLD
3. SOLD
4. SOLD
5. 4 x Generation C, two of them pre-1982, all great.
6. Mac Hoover white head/Generation C tube
7. SOLD
8. SYN C/D set, great whistle!
9. SOLD
10. SOLD
11. SOLD
12. Impempe prototype head with Eb tube, tube and head are from different generations/batches so head needs 15 minutes with fine grit sandpaper to fit.
![Image](https://dl.dropboxusercontent.com/u/1118766/whistles4sale2.jpg)
https://dl.dropboxusercontent.com/u/111 ... 4sale2.jpg