Two Lucius Titurius denarii...

Antoninianus of Diocletian with full silvering...

next, another Diocletian...

As of Tiberius with his bare head...

next , his son , Drusus...

Denarius of Augustus with reverse of Diana holding her bow and drawing an arrow from her quiver...

next,  more Augustus...

Anonymous AR didrachm, 280-211 BC, 6.53gm, 19.2mm.  Obv: Helmeted head of beardless Mars right; behind, club.  Rev. Horse galloping right; above, club; below, ROMA.  Crawford 27/1; Sydenham 23; Historia Numorum Italy 314. 

next, 1st century BCE Roman Republic...

Aureus of Nero with his colossus as Sol on reverse.

Next , more Nero...

 You've got one great looking coin with fantastic toning. You aced this one!

Here are two sestertii and three denarii of Severus Alexander...

RR denarius , anonymous issue c. 211 BCE with dioscuri reverse...

next,  another dioscuri denarius.

Two tribute pennies of Tiberius. The first  looks like a more idealized portrait.

Two snakes wrapped together on this caduceus...

 

 

 

 

 

Aes Grave Semis from Tuder , c. 220 BCE with man's best friend curled up sleeping and lyre on reverse...

next, another dog (preferably a longer haired German shepherd if possible, golden tan with black).

Follis of Justinian with large M on reverse...

 

 

 

 

 

Anonymous AR didrachm, 280-211 AD, 6.53gm, 19.2mm.  Obv: Helmeted head of beardless Mars right; behind, club.  Rev. Horse galloping right; above, club; below, ROMA.  Crawford 27/1; Sydenham 23; Historia Numorum Italy 314.  VF

next , more horses....

I was just about to post this coin as a semis, but Ryro beat me to it , so I'll now post it as a RR bronze - Aes Grave ,  Minerva , c. 275 BCE...

Next -  more RR bronze...

Denarius of Crassus - time of first triumvirate.

next -  another coin of this period...

Several pleasantly toned Roman silver coins....

Very nice , handsome coin. I'm sure you won't regret that purchase!

Here is a sestertius of Lucius Verus shaking hands with co-emperor Marcus Aurelius....

Caesar Augustus was a triumvir of the second triumvirate.

denarius with reverse of SIGNIS RECEPTIS , standards and clipeus virtutis.

next ,   coin of or pertaining to member of the first triumvirate...

Quadrans , RR , c. 225 BCE. Head of Hercules in lion's skin / prow of ship.

next... Roman galley...

That is one handsome looking coin and a fantastic portrait. You're right about; Ritter,  their photos for some reason don't enlarge. But I've bought several coins from them in the past and have never been disappointed. I've found them to be a great company to buy from.

Real brothers - ( and father on obverse) Titus and Domitian Caesars riding horseback on this aureus of Vespasian...

next - Imperial coin of Titus....

Ara Pacis - monument which still stands in Rome, near the Tiber, depicted here on this As of Nero.

Next, another altar...

TRAJAN AE dupondius. IMP CAES NERVAE TRAIANO AVG GER DAC P M TR P COS V P P, radiate bust right, drapery on far shoulder. Reverse - S P Q R OPTIMO PRINCIPI S-C; trophy, two shields at base. Cohen 573, RCV 3224. 28mm, 12.0g. Commemorating victory in Dacia...

Next,  Roman coin relating to Dacia...

Another boar's head/forepart Roman-Etruscan As...

Etruria, Tarquinii. AE Aes Grave As (295.21 g), ca. 275 BC. Forepart of boar left. Reverse: Spearhead. ICC 121; HN Italy 215. Extremely Rare. Green and brown patina. Very Fine.
Ex Julio Bellescio Collection, purchased between 1980 and 1990. From Ira and Larry Goldberg.

next,  more pigs...

Sorry, but being from New England I just couldn't resist.

Anyway, as Ryro said - more "Celtics" ...