TTM, IP? What the heck does this stuff mean?

With all of today's texting, tweeting, abbreviations, and shortcuts you have to ask, what the heck does this stuff mean? Here is a list of common autograph collecting acronyms:

- ALS = Autographed Letter Signed (i.e. a hand-written letter)
- ANS = Autographed Note Signed
- AP = Autopen (machine-signed)
- AMQS = Autograph Musical Quotation or handwritten musical notes or a bar of music signed
- AQS = Autograph Quote Signed (hand-written and signed by same individual; poem verse, sentence)
- BCS = Business Card Signed
- BW, B/W or B&W = Black and White
- C = Color
- CISP = Color Inscribed Signed Photo
- CSP = Color Signed Photo
- COA = Certificate of Authenticity
- DS = Document Signed
- FDC = First Day Cover (issued by the Postal Service)
- HOF = Hall of Fame
- I = Inscribed or personalized
- IP = In Person
- IRC = International Reply Coupon
- ISP = Inscribed Signed Photo
- MOC = Member of Congress
- MOH = Medal of Honor
- PP = Preprint (autograph is part of the photo)
- RTS = Return To Sender (address unknown; not at this address; address incomplete etc.)
- SAG = Screen Actor's Guild
- SAE = Self Addressed Envelope
- SASE = Self Addressed Stamped Envelope
- SIC = Signed Index Card- SP = Inscribed Signed Photo
- SP = Signed Photo
- SPC = Signed Postcard
- STC = Signed Trading Card
- TC = Trading Card
- TLS = Typed Letter Signed
- TTM = Through The Mail
- UACC = Universal Autograph Collector's Club
- VV = Via Venue

I know a lot of people who collect know these things, but other's don't. Plus it is always good to get a refresher on things even for the most seasoned veterans.