Vtg Crystal? Clear Glass Ashtray Signed by Artist MCM For Sale

Vtg Crystal? Clear Glass Ashtray Signed by Artist MCMBeautiful condition, no nicks, chips or cracks. Unfortunately I can not make out the signature.First name looks like Jack, or possibly Seth, with the middle initial S. Last name, I'm unable to decipher.
6 1/4" round and weighs 1.4 pounds before being boxed to ship.
****I do my very best to try and keep shipping costs to a minimum by offering different services.
Be sure to click the shipping tab to see the available options for this item and select that option
during check-out. Items I sell are used, I try very hard to capture any flaws I see & show them in the images displayed.
Images are a major part of the description, please view closely. I'm happy to answer your questions promptly.I have many ashtrays in my store, Vintage Ashtrays & Lighters, I'm happy to combine shipping to save you money.
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Thank you for viewing my listing, I look forward to your business.