Miltiple Coin identification help

 English / English / Roman 

… to start with. Can not say more without diameters. 

Third coin is Postumus of the Gallic Empire, circa 260. But yes, just like the British coins, the diameter of the coin is needed to determine the denomination.

 Using image search on here 

https://en.numista.com/catalogue/index.php?e=royaume-uni&r=&st=147-150&cat=y&im1=69edcafd1280a.jpg&im2=&ru=&ie=&no=&v=&cu=&a=&dg=&i=&b=&m=np&f=&t=&t2=&w=&mt=&u=&c=&wi=&sw= and maybe others … 

2 HR Coin 17.02g  1.2 i nch 

cb. coin 1 inch 9g

Roman coin looks like stipp /maybe.   - uaropo ½ inch diameter 2.94g

very small coin copper i think half inch diameter 0.74g

The first coin is a 1735 ½ Penny of George II: N#13096

The second is an 1806 or 1807 1 Penny of George III: N#12981

The small coin is a 1630's English emergency rose farthing, similar to this one: N#359076

There are many different varieties of this coin, and I don't know how to distinguish them.

Don't know ancient coins unfortunately, maybe someone else will be able to chime in on that one.

coinhead5, could I request that you measure the diameter of the Roman coin more carefully? A weight of 2.94 g would fit an antoninianus, but a diameter of about 13 mm (½ inch) doesn’t.

In case you’re wondering about the legends, the obverse reads IMP C POSTVMVS P F AVG, and on the reverse P M TR P COS II P P.