Over the years, I've collected a wide array of instruments. All were purchased with the intent to play them or have them played, not to merely collect them.
I've had some really interesting pieces in the collection, many have been sold to either upgrade my stable, or to purchase an instrument I needed more. Below is my current arsenal:
King 1291 Monster BBb; Bach 7 Megatone Mouthpiece or PT-50
Meinl Weston 2000 CC; Alexander "78/33" Mouthpiece
King/VIB custom CC; DEG mouthpiece or NY Bach 7
Besson Imperial Eb Tuba; Yamaha CB Mouthpiece
Yamaha YFB-621 F Tuba; Yamaha CB Mouthpiece
B&F Rotary Eb
Anonymous Eb/F Berlin-valve tuba
King 1201 Small Eb Bass - 4th valve added before acquisition... "the toy"; Yamaha Clear
King 1235 Recording-bell Symphony Eb Bass
King 1240 Recording-bell Symphony BBb Tuba. Bach 7 NY Mouthpiece
Wessex TC-236P French Tuba (trad. 5th tuning)
Holton 3+1 Giant Eb with added 5th rotor (in progress)
King Eb recording bass - VERY small! (may be unique).
Yamaha YBL-822G (Douglas Yeo)
Wende F rotary valve bass trombone
Yamaha YSL-682B; UMI 4G
Olds "Ambassador" (LA vintage custom build). (Bach 6.5A)
Beuscher "Aristocrat" with added F trigger (Bach 4/4C)
Bass Trumpet/Valve Trombones
VIB custom (see article).
Olds marching valve trombone (with the right mouthpiece, these can be excellent!)
Wessex in C, 11-key (Copy of Gautrot and customized)
Christopher Monk serpent in C with Rogers 255 custom mouthpiece in Corian
Yamaha YEP-321S with 5 valves
Anon 3 rotor (Italian?)
Ch. Missenharter in F and Eb
Conn 15D Bb Single (heavily modified)
J.C. Penzel "Gumpert" Double
Knopf Bb/F Compensating horn with stop valve
Cleveland Bb Single
"Association" French Piston Horn in F
Olds Single 4v Bb
Getzen "Valvectomy" Cor Solo in G, F, E, Eb and D
JcS F/D/BBb/AA Contrabass Trombone, with .562 slide and valves; Kanstul 2A mouthpiece
Trumpet - Selmer DeVille Bb
Flute - Brennan - Avanti 2000CAE
Flute - Kohlert USA (Yamaha Stencil) with B-foot
Flute - Rudall & Carte
Flute - Armstrong (curved headjoint)
Recorders - Garklein, Sopranino, Alto, and Tenor by Aulos; Soprano by Yamaha
Fife - Yamaha
Clarinet - King in gold lacquer
No Longer in the Collection
Alexander 164 CC Tuba
Alexander 163 CC Tuba
Kanstul 3/4 CC
Kalison DS 5-valve CC Tuba (2 of them!).
King 2370 Sousaphone
Miraphone 183-4U Eb Tuba - with a lengthened 4th valve, these can be quite good!
Yamaha YBB-641 BBb (heavily modified) - "The Weapon". Alexander "78" mouthpiece.
Bach 42B (custom leadpipe and open wrap)
Benge 190 (I need another!)
BMB 3/4 CC
Conn "Monster Eb" converted to .720 bore with 5 valves. Excellent instrument!
Conn 36K - the best sounding tubas ever made!
Conn 76H. c.1924 Essentially a tuning-in-slide 8H. One of a kind with a stunning sound!
Conn 8H c. 1926 with full burnished gold, engraving and with an F valve as well. Stunning!
Conn 88H G Bass trombone; .562 bore! c.1924
Flute - Anonymous, Single Key
JcS Bass Horn, 5-valves in F. Trombone sized mouthpiece. Olds valves, Conn 8D Bell
Jupiter 600 "Carnegie XL" Bb/F trombone - Amazing instrument!
King 1205 Medium Eb - converted to 4 string-action rotary valves. An outstanding player, but the
King 1291 4-valve rotary BBb Recording Bass
King 1280 Symphony Model Orchestra Bass "Pit" BBb Tuba.
King D Medium Bass - converted from a too-flat Eb.
King/JcS 4v 3/4 CC
King/JcS "5B+" Baritone trombone
Ch. Missenharter Alto Horn
Salvation Army Custom G Bass trombone with added D valve
The Tuba Exchange "Miraclone" CC.
Anon. valve trombone (probably by Rampone)
Yamaha YSL-643II; from when "Yamaha made the best Conn 88H on the market" ;-)