Ligature

"IMP ligature" on halved Nemausus As of Augustus, a type found in the Germania Inferior region in legionary camps
(countermark Martini-Pangerl Collection 16) ...

Those interested in epigraphy may note the ligate NK, NT, VG and two different ligatures for Omega-Nu. On the reverse OULPIANWN (referring to the city charter granted under Trajan whose family name was Ulpius) ends WN while the city name ends WN.

There is a thin die break from the top of the A in NOVA through the lower part of the letter C and extending to the serif at the start of the AE ligature (Æ) in CÆSAREA.

] (AV ligatured)
Victory advancing left, head right, wreath in right hand, dragging captive with left
Chi-Rho in lower left field
12mm, 1.09g
RIC X, 947 (Zeno, Second Reign) (R2) and pl. 33; MIRB 25 and pl. 13 (citing two specimens); cf. DOC p.

About this coin :
Les ligatures de SAMF au revers sont variées sur ces deniers ; le A et le M, le M et le F ou encore le A, le M et le F. Sur cet exemplaire, le A et le M y sont, mais le F est bien autonome.

Obv: ANTΩNINOC AVÎ"OVCTOC IOVΛIA Î"O (around) MNA (between heads, MN ligature)
Laureate head of Caracalla facing draped bust of Julia.
Rev: VΠKVINTIΛIANOV MAPKIANOΠOΛITΩN E in left field.

OM monogram (mintmark)
Mintmark for the city of Strasbourg on Italian coins of the 1860's. The "O" and "M" are attached together as a ligature.

AYT K M ANT GORDIANOC AY CEB / TPANKYL / LEINA, confronted busts / YP TEPTYLLIAN - OY MAPKIANOPO / LITWN (WN as ligature), Athena, in Corinthian helmet, standing front, head left, holding owl & inverted spear, shield behind feet, E to left.

Until the late middle ages, U and J were rarely used but were replaced by V and I. W was often shown as a double V or VV. Ligatures were not unusual and two letters bound into one can be found.
OBVERSE LETTERS ...

See also: Coin, Obverse, Revers, Reverse, Marks