Below is spec of these 2 crowns: - Diameter: 6.75 mm. - Thickness/height: the yellow one is 3.37 mm, the white is 3.25 mm. - Stem: 0.9 mm. - Crown tube: 2.5 mm. - Logo: Yellow is narrow/flat feet - White is fat/angular feet. Price: 100 USD each net to me via PayPal or IBAN/SWIFT transfer. Shipping: - Registered Airmail for 5 USD to word-wide (Except Canada & UK due to tracking number is non-trackable there) - Will take 7-13 business day to delivered. - UPS - DHL or TNT courier at cost (from 24->50 USD based on location, to USA - Canada & EU is 30 USD) Return Policy: 14 days, no question asked. Reference: + https://omegaforums.net/threads/good-transaction-with-new-member-no-mercy.56232/ + https://omegaforums.net/threads/very-happy-with-1st-buy-from-no-mercy.58992/ + https://omegaforums.net/threads/great-transaction-with-no-mercy.60315/ + https://omegaforums.net/threads/no-mercy-easy-deal.60534/ + https://omegaforums.net/threads/excellent-swift-deal-with-no-mercy-outstanding-chap.62817/ + https://omegaforums.net/threads/no-mercy-excellent-seller.64169/ + https://omegaforums.net/threads/very-happy-with-purchase-from-no-mercy.64565/ + https://omegaforums.net/threads/no-mercy-is-great-seller.65710/ + https://omegaforums.net/threads/no-mercy-is-a-top-seller.65874/ + https://omegaforums.net/threads/first-purchase-on-omegaforums-from-no-mercy-fantastic.67511/ + https://omegaforums.net/threads/no-mercy-is-a-fantastic-seller.68269/ + https://omegaforums.net/threads/no-mercy-good-seller.68693/ Please click on photo to enlarge: