Here is a quick summary of the handled ascender versions in my collection:

Ascender Hand
Grips
# Carabiner
Holes @ top
# Holes
@ base
Cam Stop Cam
Style
Cam Teeth Cam
Finish
Cam
Safety
Thumb
Pin
VauDe Version A
(#1992)
Hard Plastic 2 1 No Old,
2 round holes
(2.3)(4.3)^2(2.3.2.1.2 Plated Anodized Plain
VauDe Version B
(#1993)
Softer, more
"rubbery" compound
Plain
VauDe Version C
(#133/134. 2190/2191)
New, bar (3.2)^2(1.2)^2(B) Bare Anodized Anodized
Anthron Version A
(#2187)
Anthron Version B
(#155)
2
Anthron Version C
(#2188)
Stainless Steel
Anthron Version D
(#156/2189)
Plated Anodized
Lucky Pern
(#162/165))
Anthron Version E
(#2113/2114)
Hard Plastic Plain Plain
Anthron Version F
(#194/195)
Bare
MSA Safety, Version A
(#3650)
Softer, more
"rubbery" compound
Plated
MSA Safety, Version B
(#3651)
1 Yes
MSA Safety, Version C
(#3652)
Cork
Skylotec
(#3620/3621)