#walleye
Google Pixel 2 DVT
Source

• Front and rear engraving
• Internal logo
• Broken display, was sold on eBay for $85

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#crosshatch
Google Pixel 3 XL C1 EVT1.0
source

• Secure boot off
• Internal logo
• Placeholder regulatory symbols

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#muskie
HTC Google Pixel 2 XL EVT1 C
source

• Prototype logo
• Back engraving and stickers
• Android 8.0.1 OPD1.170713.003 build

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#walleye
Google Pixel 2 prototypes
Source

• Front/rear asset engravings
• Asset stickers on back

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#flame
Google Pixel 4 prototype
Source

• Regulatory sticker on rear

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#sooner
HTC EXCA300 (Google Sooner)
Source

I know this isn't technically a Google prototype, but I found it interesting enough

• 200MHz Single-core Texas Instruments OMAP850
• 2.43" 320x240 LCD
• 64MB RAM & 64MB storage (with microSD)
• 960mAh battery
• 1.3MP rear camera
• Bluetooth, 2G (GPRS/EDGE)
• Mini USB, notification light, rear-firing speaker

• Running Android htc-29386.0.9.0.0 build

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