Welcome to LTG!
Yes, your serial number was made in year 2000.
Our member GAD scanned the catalog page from the year 2000 Guild catalog:
Here are the full specs if you are interested:
Model Name: D4 HR (HR stands for "handrubbed finish")
FMIC/Guild Model Number: 350-0100-021 (-021 without case, -721 with case)
Category: Traditional Dreadnought Guitars
Body Style: Dreadnought
Scale Length: 25 5/8"
Top: Solid Spruce Top
Bracing: Standard
Back: Arched Laminated Mahogany Back
Sides: Solid Mahogany Sides
Neck: Mahogany
Width at Nut: 1-11/16"
Fingerboard: Morado (12" Radius)
Frets: 20
Bridge: Rosewood
Hardware: Chrome
Tuning Machines: Grover Chrome Plated Die-cast Tuners
Pickups: Optional
Controls: N/A
Pickup Switching: N/A
Finish: Handrubbed Satin Finish (Polyurethane)
Other Features: Dot Inlay,
Tortiose Shell Pickguard
Case: Optional, Uses Standard C4500 Hardshell Case p/n 3501075204
U.S. MSRP: $899.99 Price without case, *add $100.00 for C4500 hardshell case
Options: 350-0105 D4 (as above with Fishman Transducer) $1,099.99
350-0106 D4 (as above with Fishman pickup and preamp) $1,199.99
350-0120 D4 (Left hand) $899.99
350-0125 D4 (Left hand with Fishman Transducer) $1,099.99
350-0126 D4 (Left hand with Fishman pickup and preamp) $1,199.99
Strings: Guild L350 Phosphor Bronze,
p/n 3500350000,
Gauges .012, .016, .025, .032, .042, .053
Source: U.S.
Introduced: 1991
Discontinued: 12/2001
Ralf