Wirt Overlays are some of the most lovely pens in the world. Some of the simple ones were made at the Wirt factory while a few unusal ones like the Wirt Snake overlay were commisioned by New York jewelers.

Pictured here from left to right is:

#1 Solid 14K gold Snail Repousse Overlay. Early paddle overfeed 1880's

#2 Gold Filled Snail Repousse Overlay. Underfeed 1910's

#3 Gold filled chase filigree. Underfeed - 1910's

#4 Gold Filled hear filigree. Underfeed - 1910's.