Imperial Gallic 'A'

• Clearly descended from the Agen-Port type. Bowl has vertical sides, flat in top and simple, but prominently embossed 'eyebrows'.
• There are two pronounced ridges in the occipital area. • The neck guard is stepped with a suspension ring riveted beneath. Its section is also like that from the Agen-Port type. 
• First helmet of this type to show a heavy reinforced peak.

Imperial Gallic 'B'

• A well-formed hemispherical bowl, prolonged at the rear of the occiput, where it is flanged outwards into a sloping neck guard of moderate proportions.
• There are cut-outs at the sides for the ears, with their edges flanged outwards.
• Brow is embossed with slender, curved 'eyebrows' or bold triangular section. 
• The occiput carries two transverse ridges and the neck guard two steps.

Imperial Gallic 'C'

• Little difference from the Type-B above. The ears have no guard. The 'eyebrows' have been given a more elaborate treatment. They are strongly curved with a deep medial step.
• There is a bronze holder for the crest box, with two slots for the two-pronged crest support. 
• The neck guard has a much broader flange with pronounced embossed steps.

Imperial Gallic 'D'

• The hemispherical skull was deep and followed the shape of the head closely.
• The 'eyebrows' were of a bold re-curved form with four equal ridges. The lower edge of the brow was decorated with an applied and embossed bronze trip. 
• There were applied ear guards of iron. The reinforcing peak had its broad outer edge inlaid with a herringbone pattern in bronze.

Imperial Gallic 'E'

• There are three steps on the occiput and two on the neck guard. The latter projects more at the sides than type D above and it has rounded, angular corners. 
• The brow band and cheek pieces are similar in pattern to those on Type-D.

Imperial Gallic 'F'

• On one sample, the brow-band is a strip of multi-reeded silver.
• The embossed steps on the occiput and neck guard are of normal pattern, though somewhat shallow.
• Where the cheek-pieces survive, they appear to be of a less elaborate form than usual, with rounded projections.

Imperial Gallic 'G'

• The skull is hemispherical with broad, leaf-like 'eyebrows' embossed at the front.
• The stepping on the neck guard and the rear of the occiput is shallow and the neck guard is almost flat and of moderate size, with rounded corners similar to the 'D' & 'F' types.
• Three decorative bronze rivets, one at the centre and one at each side of the neck, are usual, together with a pair either covering or securing the rivets, hold the cheek guard hinges in the vicinity of the temples.
• The brow reinforce is a flat sheet of iron, tongued at the centre and riveted at the extremities to the sides above the ear guards.
• Cheek pieces are fully developed with neck-flanges, bronze edge bindings and three ornamental bosses. 
• There is a bronze carrying handle attached by two split pins at the upper surface of the neck guard.

Imperial Gallic 'H'

• A variation of the Type-G. The main difference is that the angle of the neck guard is deeper, at around 50o.

Imperial Gallic 'I'

• Basically the same pattern as the Type-H, but in bronze. 
• The 'eyebrows' are of a broad leaf-like form, with a medial step above centre and a ridge at the lower border.

Imperial Gallic 'J'

• Very similar to Imperial Gallic Types G, H and I, except that the neck-guard is much larger and slopes downwards at an angle of around 45o.