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Shamrock Marbles

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  1. Rare Road & Tunnel Slag on Ebay

    To All, Thanks for the generous compliments. Greg, Each marble has the distinctive DNA of the original artist and are signed by that artist. The miniature Matthews signature is a marvel unto itself. Those on Mark's website are from last year, 2016. Mark has some completely different marbles from this year's run, 2017. Mark dug way back into his archives. My favorites are his clam broth and peppermint reruns. Also, Hot House Glass has a grouping for sale. They sold their first listings (BIN) very quickly, but are going to do a second release soon. They anounce their Ebay listings via their FB account. Their construction and use of dichro make their marbles pop! Sincerely, John
  2. Rare Road & Tunnel Slag on Ebay

    You are most welcome. I presumed you were busy and didn't have time to research it yourself. After all, you did ask for help understanding why I used the adjective "rare". No raw or "rare" nerve here. It appears my usage of the word got you going first. However, I do like the way you try to twist who has the raw nerve. As far as being verbose, I do not apologize. I try to be clear. What I see on marble boards is the more an individual knows the shorter their post. This brevity, or economy, of words can come off as curt and uninviting for continued discussion. New (and old) people need slack and the chance to err. It is the job of experienced people to kindly spread any tribal knowledge. Again, it is all good here in Kansas. Sincerely, John
  3. Rare Road & Tunnel Slag on Ebay

    Mikie_T, For your viewing pleasure: https://www.youtube.com/watch?v=Z3mzj0-j2ww&t=6s Sincerely, John
  4. Rare Road & Tunnel Slag on Ebay

    Greg, Here are some large Shamrock slags (1-1/4" - 1-3/8" diameter) for reference. [Box set made by Craig aka "spara50"]. Totally different pattern than Chris'. Also, my cut lines are straight. Sincerely, John McCormick
  5. Rare Road & Tunnel Slag on Ebay

    Greg, Pretty sure it is one of Chris' original runs. It was made with Fenton transparent red and Hobnail white (Gabbert Cullet). Under hard lighting the deep red goes orange (auction photos 1-6). I guess that is why the seller posted photos under two lighting conditions. The second set of photos (7-12) show the deeper red. Just two colors and some "gravitational" twisting makes a wonderful pattern! Notice the "U" or "V" shaped cutline? That is from using diamond shears. The shears sucked out too much heat at the cutline, thus inhibiting it from completely melding into the body. Also, if you look close enough, the "sphere" is quite "lumpy". This was because the roller geometry wasn't optimal on his machine. Yes, R&T marbles are machine rounded. I took possession of Chris' machine from John Hamon-Miller at Amana, 2004. Rebuilt and returned it to Chris in 2005. He did attempt to make marbles on it, but was frustrated again by its inability to consistently produce round marbles. I too have seen R&T Slags at shows and I have bought them (if the price was right). There aren't that many in the wild. Chris' are very distinctive from other large slags. Once you develop an eye, you can pick them right out. Sincerely, John McCormick
  6. Rare Road & Tunnel Slag on Ebay

    Let Merriam-Webster help you... https://www.merriam-webster.com/dictionary/rare Definition 3: seldom occurring or found :uncommon How often do you see Robinson Road & Tunnel Marbles offered on Ebay? How often do you see these for sale at marble shows? By this definition alone, the appearance of a R&T for sale is a "rare" event. This is an uncommon marble. Definition 2a: marked by unusual quality, merit, or appeal :distinctive b :superlative or extreme of its kind Very few of the Road & Tunnels were made with enough "roundness" that Chris thought they were sellable. So, a "round" R&T unto itself is rare. Not all sold R&T marbles have such a well defined road and tunnel graphic. This exact marble is of unusual roundness, distinctive pattern with an eye appealing color combination. This is a distictive marble. *** The suggestion that Chris can fire-up the torch and crank out as many as you want, is a false premise to invalidate the usage of "rare". My statement is in the present tense. Even if Chris fires-up the torch and cranks out as many as you want, my statement holds true as when written. In the universe of marbles (data set), what percentage do you think existing Chris Robinson Road & Tunnel marbles total? Chris did not keep detailed records. After talking with him, there are probably fewer than 100 in circulation. If Chris did resume production, what number would he need to produce for his R&T Marbles not to be "rare"? Using better logic, please articulate why you think it is not "rare"? Sincerely, John McCormick , Shamrock Marbles
  7. Just stumbled across this Ebay listing: https://m.ebay.com/itm/6672m-Vintage-Large-Red-Slag-Marble-1-01-Inches-Mint/202088847951?hash=item2f0d6f1a4f%3Ag%3A0RwAAOSwK~RZ7O2P&_trkparms=pageci%3A771ac4ca-bccd-11e7-9de5-74dbd180d0c7%7Cparentrq%3A69262eef15f0ab4c8c22dd4bfffd7423%7Ciid%3A17 Rare and nice Road & Tunnel Slag. Made by Chris Robinson, circa 1993-94. Sincerely, John McCormick Shamrock Marbles
  8. When Millefiori meets Silver....

    Steph, Available on Ebay: http://www.ebay.com/sch/i.html?_from=R40&_sacat=0&_blrs=spell_check&_sop=1&_nkw=cook islands millefiori&rt=nc&LH_PrefLoc=1&_trksid=p2045573.m1684 YouTube Vid: https://www.youtube.com/watch?v=6joqptWl5hE John
  9. interesting ebay items go here

    Steph, Most of the Hot House marbles have dichro. Matthews uses aventurine or lutz to sex-up his orbs. John
  10. interesting ebay items go here

    Some unique marbles, made with unique friends: http://www.ebay.com/itm/Hot-House-Glass-Mark-Matthews-Rerun-marble-1-26-32mm-519-/182350125330?hash=item2a74ea1912:g:JPsAAOSwx2dYJQyK http://www.ebay.com/itm/Hot-House-Glass-Mark-Matthews-Rerun-marble-1-26-32mm-523-/252631003505?hash=item3ad1fb3171:g:jqIAAOSwB09YJQ2k Fun times had by all! Sincerely, John McCormick Shamrock Marbles
  11. What Causes Orange Peel?

    Griff: Obviously, there is no perfect sphere rolling off anyone's marble machine. Glass is forgiving. Now, let's concede that I'm all wet and you're right. Your Post #7 states: Mike brings a point that my rollers really never do heat up, like a real continuous marble production run. I easily concede that, because I show that in my demonstrations by touching the surface even while the marble is rounding. The marble machine is a big heatsink. So, my machine rollers at room temperature (as low as 55 degree F) would represent the worst case scenario for "cold rollers" (as you so state). True? I have placed hot glass gobs that where heated from furnaces, glory holes and torches. Let's say that 2,200 degrees F would be a number to start. You stated in Post #24 We can safely assume that glass won't gain heat after it leaves the tank, so let's use your number of 2,100 as "hot glass" (as you so state). Can you share with us, why I don't get orange peel on my marbles when I put "hot glass" on "cold rollers"? Shouldn't I be wrinkling the crap out my marbles? Sincerely, John McCormick "Shamrock Marbles"
  12. Masters With Ox? What Is The Latest Word?

    Here's a question: When MFC made oxblood, did they mix the ingredients, cook, then gather directly? Or When MFC made oxblood, did they mix the ingredients, cook, ladle and dump glass to cool. Only to heat up Oxblood cullet again in a monkey pot from which they gathered? For Akro, did they just add Oxblood Cullet to their color tanks? Sincerely, John McCormick "Shamrock Marbles"
  13. What Causes Orange Peel?

    Galen: Here are some better close up photos of a hot gob of glass ran on rough (sand blasted) rollers. Some round impressions, some elongated impressions, no scratches in the valleys. Sincerely,John McCormick"Shamrock Marbles"
  14. Misc

    Just stuff of interest.
  15. Peewee Marbles Are So Cool!

    Mike, Here is the Peltier PeeWee marble machine languishing somewhere. Sincerely,John McCormick"Shamrock Marbles"