Welcome to the TNet Junque Finders: a fraternity of grass groomers and sand scrapers.
Fine Finds! Looks like the do-hickey is maybe an old pin. Boy Scout, perhaps?
The metal pen looks exactly like that: a metal pen used to write on aluminum tags, like in formal gardens.
Your next step toward Honorable Mention is finding out who lost the pin, and return it to them, thus immortalizing yourself among your peers on TNet.
I've found it's much easier to return something as unique as your pin, and far more difficult to return more commonplace bottle caps and pulltabs to their rightful owners. Some even resist having their property returned to them by honest and courteous TH'ers. Even if you provide photographic evidence of their recent losses.
Haven't had any problem returning those gold rings with clear stones (or even non-clear stones). Sometimes the owners don't even remember the inscriptions on those rings, but the mind plays tricks on you when its off your finger and in the ground or sand. Even if only for a second!
Same thing is also true of coins. Find a newly corroded copper-coated zinc Lincoln penny, and unlike Benjamin Franklin, you will be hard-pressed to find anyone willing to accept Lincoln's return. "A penny saved ...", as Ben might say. You should have no problem returning that shiny silver SLQ as bright as the day it was minted in late 1916, even though Liberty is indecently dressed. That homeowner will remember dropping THAT coin as clearly as if it were yesterday, though they certainly look good for 94 years old.
Remember always, that when you find my 1886 proof trade dollar, I will happily refund the cost of your sending it to me. It's no problem, really! Hoping to hear your Honorable Mention nomination soon! Why, I'd be happy to do it myself, just as soon as you send me that 1852/1 proof $20 dollar piece from Augustus Humbert. It has such sentimental value to me, and I'd be SO grateful (until I could sell it and pocket the money).
Hoping you can find who dropped those large nails ...
I like your "treasure" piece too. Keep digging!
