If you know your number can you add a comment and I'll try and maintain this original post to keep it up to date.
So far we know of...
No.2
Status: Under Construction
Owner: Barry Mays
Location: East Preston near Littlehampton
Builder: Lancelot Link - Poole
Donor Chassis: Vitesse Mk1
Engine: GT6
Build Thread/Info: Barry Mays Sammio Spyder Build....

No.3
Status: Almost complete & for sale
Owner: soporsche
Location: SE London/Kent border
Donor Chassis: Herald
Engine: 1300 Spitfire
Wheels & Tyres: 14" Wires
Colour: British Racing Green
Build Thread/Info: Thinking of selling the Sammio!
No.4 (Car 66)
Status: On the road
Location: Europe
Builder: Lancelot Link - Poole
Donor Chassis: Herald
Engine: 1200 cc
Wheels & Tyres: 15" Wires / 165
Colour: Red
Build Thread/Info: [url]www.sammio-spyder.com[/url]

No.5
Status: On the road
Location: Southampton
Donor Chassis: Herald 13/60
Engine: Due to be upgraded
Wheels & Tyres: 14" MGB Wires
Colour: British Racing Green
Build/Info Link: Sammio Spyder ( Herald 13/60 ) For Sale

Car No. 6
Status: On the road
Owner: Peter Winston
Location: Holsworthy
Builder: PGW-MD Classics
Donor Chassis: Vitesse Mk2
Engine: Vitesse Mk2
No.007
Status: On the road (awaiting paint)
Owner: Patton
Location: Cullompton Devon
Donor Chassis: Herald 13/60
Engine: 1256 cc
Wheels & Tyres: MGF alloys
Build Thread/Info: Skippy

No.10/11
Owner: Paul D
Location: Emsworth, Hampshire
No.47
Status: Under Construction
Owner: christinedmc
Location: Gelderland, Netherlands
Builder: christinedmc
Donor Chassis: Vitesse Mk1
Engine: Vitesse, 2.0 MK2 (104 BHP)
No. 48
Status - On the road
Owner: Dave
Location: Near Bath
Builder: Sammio Builder - Reading
Donor Chassis: Herald 13/60
Engine: 1296 cc
Wheels & Tyres: 14" MGB Wires
Colour: Red
Build Thread/Info: Trevor Bennett's Build
http://sammiospyder.blogspot.com/

No.50(ish)
Status: Under Construction
Owner: Mister Towed
Location: Downham Market, West Norfolk
Donor Chassis: Vitesse Mk1
Engine: 2L
Wheels & Tyres: MGB Wires
Build Thread/Info: Mister Towed's Tai Chi build

No. 52
Status: Almost complete
Owner: JW52
Location: Essex
Donor Chassis: Vitesse
Wheels & Tyres: 15" MGF Minilites
Colour: Iris Blue
Build Thread/Info: New member

No. 58
Status: Under construction
Owner: Psycho Pops (stewart)
Location: Norfolk
Donor Chassis: Herald Saloon
Engine: 1300cc
Wheels & Tyres: 14" MG Wires
Colour: Old English White
Build Thread/Info: http://sammio-spyder.blogspot.com/[/QUOTE]
No. 60
Status: On the road
Location: Cherbourg, France
Donor Chassis: Citroen 2CV
Engine: 600cc
Colour: Red
Build Thread/Info: Sammio Chevaux ( 2cv Based Sammio Spyder Kits )

No.61
Status: Under construction
Owner: Nick59
Location: Margate, Kent
Donor Chassis: Vitesse
Engine: 1600cc
Wheels & Tyres: 15" Wires
Colour: Aston Martin Dubonnet Rosso (DU05804BC)
Build Thread/Info: New Builder
No.62
Status: Under construction
Owner: jmc14
Location: New York
Donor Chassis: USA Mazda Miata (MX5)
Build Thread/Info: Widened Sammio for jmc14
No.67
Status: Under construction
Owner: garyh
Location: Beltinge, nr. Herne Bay, Kent
Donor Chassis: Vitesse Mk2
Engine: 2L
Build Thread/Info:Garyh's Sammio build
http://garyssammiospyderbuild.blogspot.com/
No. 80 something
Status: Under Construction
Owner: Mike D
Location: Molesey, Surrey
Donor Chassis: Herald
Wheels & Tyres: MGB Wires
Colour: Will be Bright Red
Build Thread/Info: New boy on the block
Other forum regulars with numbers not yet known:
No.??
Status: Under construction
Owner: Roadster
Location: North London / Essex border
Donor: MX5
Engine: 1600cc
Colour: Jaguar dark green
Build Thread/Info: Sammio Roadster

No. ??
Status: Under construction
Owner: Mulberry
Location: Barnstaple N,Devon
Donor Chassis: Herald 13/60
Colour: Burgundy
Build Thread/Info: sammio spyder home build
[/QUOTE]No. ??
Owner: captaincrash1971
Location: County Durham
No. ??
Status - On the road
Owner: TBC
Location: Germany
Builder: Davecymru
Donor Chassis: Herald 13/60
Engine: Vitesse Mk2 2.0L
Wheels & Tyres: 15" MGC wires / 165x65
Colour: Alfa Romeo Red (because Red ones go faster!
)Build Thread/Info: Davecymru's Build thread

No.??
Status: On the road
Donor Chassis: Herald
Engine: 1200cc
Wheels & Tyres: MGB Wire
Colour: Jaguar dove grey
Build Thread/Info: The Marlet Special..

No.??
Status: On the road
Owners: Phil & Barry
Donor Chassis: Vitesse
Engine: 2.5L straight six
Wheels & Tyres: 13" Wires / 185/70
Colour: 1964 MG Green
Build Thread/Info: Phil Jacklin's 2.5 Straight 6 Sammio

No. ??
Owner: Paulm321
Location: Hertfordshire
No. ??
Under construction
Owner: GazDavies
Location: Warrington
Donor Chassis: Herald
Engine: 1200
Wheels & Tyres: 14" MG wire
Build Thread/Info: Gaz's Spyder build
No.??
Status: Under construction
Owner: cbjroms
Location: Hampshire
Build Thread/Info: CJ's Build
No.??
Status: Under construction
Owner: tlrtone
Location: Poole, Dorest
Donor Chassis: Vitesse Mk1
Engine: 1600
Build Thread/Info: Tony's Build Thread....
[url]www.mysammiospyder.co.uk[/url][/QUOTE]
No.??
Status: On the road
Owner: Patoune
Location: France
Colour: Red
Build Thread/Info: Scroll down to post no.64

No.??
Status: Under Construction
Owner: foggyman
Location: Devon
Donor Chassis: Vitesse
Engine: 2L
Build Thread/Info: And another one about to bite the dust !!!!!
No. not yet
Status: Under construction
Owner: The 1958 Rocker (Simon)
Location: Boston
Donor Chassis: Herald Saloon
Engine: 1300cc
Wheels & Tyres: unsure as yet
Colour: Laurel Green (May stay with it as slightly different)
No.?? maybe SAMMIO CHEVAUX number 2
Status: Under construction
Owner: Sébastien REYBET-DEGAT (Zèbre69)
Location: ST DIDIER DE FORMANS (FRANCE)
Builder: Zèbre69
Donor Chassis: citroen 2cv6
Engine: 2CV 635cm3
Info : http://www.madabout-kitcars.com/forum/showthread.php?t=4339
layball:

So dont go painting your decals just yet.