"Carta Mundi"standard joker II.D.3. 
There are 5 different positions at cards:

position No.1
thickness of ring
F = fat ring
T = thin ring
position No.2
colour of ring
R = red ring
B = black ring
position No.3
colour of clothes
D = dark-blue
L = light-blue
position No.4
colour of A in left hand
R = red diamond
B = black diamond 
position No.5
cards (5&4) at the earth
1 = normal cards
0 = empty cards

Each joker has own 5-sign code (I have no all combinations):  
4 rings

No.01 FRDR1
d04821j03a
No.02 FBDR1
d04821j03c /d04821j03e
No.03 TRDR1
No.04 TBDR1
d04821j04c
No.05 FRLR1
d04821j03b 
No.06 FBLR1
d04821j03d 
No.07 TRLR1
d04821j04a
No.08 TBLR1
d04821j04d 
No.09 FRDR0
No.10 FBDR0
No.11 TRDR0
No.12 TBDR0
No.13 FRLR0
No.14 FBLR0
No.15 TRLR0
No.16 TBLR0
No.17 FRDB1
No.18 FBDB1
No.19 TRDB1
No.20 TBDB1
No.21 FRLB1
No.22 FBLB1
No.23 TRLB1
d04821j04e
No.24 TBLB1
d04821j04b//
d04821j04f
No.25 FRDB0
No.26 FBDB0
No.27 TRDB0
No.28 TBDB0
d04821j43a
No.29 FRLB0
No.30 FBLB0
No.31 TRLB0
No.32 TBLB0
d04821j43b
d04821j03h d04821j03i d04821j03j d04821j195 d04821j218

2 rings (I have only these)

No.01 FRDR1
1. 
d04821j32a
2.  d04821j32c
No.02 FBDR1
1. 
d04821j32b
2.  d04821j32d
No.03 TRDR1
No.04 TBDR1
d04821j167

Jokers with font:

d04821j15a d04821j15b

Joker for Canasta:

d04821j14a d04821j14b d04821j194 d04821r308 d04821r738

Jokers, printed by "Dertor" (Poland) - department of "Carta Mundi", since 2006

d04821j03f d04821j03g

Joker for Spain:

d04821j191 d04821r1208