Very good condition.  The speaker has been changed and the drip edge has been removed.  

Electronics
Channels: One
Connection Type: 1/4"
Control Panel: Volume|Treble|Bass|Reverb|Speed|Intensity
Controls: Volume|Treble|Bass|Reverb|Speed|Intensity
Effects: Reverb
Effects Loop: NA
Inputs: Two - (1/4", Input 2 operates at -6dB)
Line Out: NA
Wattage: 12 Watts

General
Amplifier Type: Tube
Color: Silver and Blue
Platform: Pro Tube
Product Name: ’68 Custom Princeton® Reverb, 120V
Series: Vintage Modified

Hardware
Amplifier Covering: Black Textured Vinyl
Amplifier Jewel: Blue Jewel
Cabinet Material: 7-Ply 3/4" Birch/Maple Plywood
Control Knobs: Vintage-Style Skirted Black Plastic
Front Panel: Silver
Grille Cloth: Silver Turquoise
Handle: Molded Plastic Strap with Nickel-Plated Caps
Reverb Tank: 4-Spring, 8 ohm Spring Reverb Unit 4AB3C1B (p/n 0064063049)
Reverb Tank Type: 4-Spring, 8 ohm Spring Reverb Unit 4AB3C1B (p/n 0064063049)
Speaker Jack: Two - 1/4" Parallel

Measurements
Power Tubes: 2x 6V6
Product Depth: 9.5" (24.13 cm)
Product Height: 16" (40.6 cm)
Product Width: 19.875" (50.5 cm)